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210012212221212 = 223971735227199523
BaseRepresentation
bin101111110000000101000111…
…010011101101010100011100
31000112120222020011022102112010
4233300011013103231110130
5210011320002312034322
62022354140044511220
762143611253103442
oct5760050723552434
91015528204272463
10210012212221212
1160a09751878975
121b679934b4b510
1390250b3524aab
1439c0906a14b92
151942d761c320c
hexbf01474ed51c

210012212221212 has 96 divisors (see below), whose sum is σ = 498039830975232. Its totient is φ = 68868379846656.

The previous prime is 210012212221193. The next prime is 210012212221213. The reversal of 210012212221212 is 212122212210012.

210012212221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012212221213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052471683 + ... + 1052671205.

It is an arithmetic number, because the mean of its divisors is an integer number (5187914905992).

Almost surely, 2210012212221212 is an apocalyptic number.

It is an amenable number.

210012212221212 is an abundant number, since it is smaller than the sum of its proper divisors (288027618754020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210012212221212 is a wasteful number, since it uses less digits than its factorization.

210012212221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205027 (or 205025 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 210012212221212 its reverse (212122212210012), we get a palindrome (422134424431224).

The spelling of 210012212221212 in words is "two hundred ten trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 97 173 194 291 346 388 519 582 692 1038 1164 2076 5227 10454 15681 16781 20908 31362 33562 50343 62724 67124 100686 199523 201372 399046 507019 598569 798092 904271 1014038 1197138 1521057 1808542 2028076 2394276 2712813 3042114 3617084 5425626 6084228 10851252 19353731 34517479 38707462 58061193 69034958 77414924 87714287 103552437 116122386 138069916 175428574 207104874 232244772 263142861 350857148 414209748 526285722 1042906721 1052571444 2085813442 3128720163 3348195463 4171626884 6257440326 6696390926 10044586389 12514880652 13392781852 20089172778 40178345556 101161951937 180422862733 202323903874 303485855811 360845725466 404647807748 541268588199 606971711622 721691450932 1082537176398 1213943423244 2165074352796 17501017685101 35002035370202 52503053055303 70004070740404 105006106110606 210012212221212