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212002101212 = 2211171637173137
BaseRepresentation
bin1100010101110001001…
…1110101011111011100
3202021012210100121011112
43011130103311133130
511433140014214322
6241220432441152
721213416061506
oct3053423653734
9667183317145
10212002101212
1181a00728510
12351070a91b8
1316cb7a3b205
14a3920c8d76
1557abeac5e2
hex315c4f57dc

212002101212 has 48 divisors (see below), whose sum is σ = 428803266528. Its totient is φ = 90640158720.

The previous prime is 212002101169. The next prime is 212002101217. The reversal of 212002101212 is 212101200212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002101217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137908 + ... + 1311044.

It is an arithmetic number, because the mean of its divisors is an integer number (8933401386).

Almost surely, 2212002101212 is an apocalyptic number.

212002101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212002101212 is an abundant number, since it is smaller than the sum of its proper divisors (216801165316).

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

212002101212 is a wasteful number, since it uses less digits than its factorization.

212002101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174806 (or 174804 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212002101212 its reverse (212101200212), we get a palindrome (424103301424).

The spelling of 212002101212 in words is "two hundred twelve billion, two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 1637 3274 6548 18007 27829 36014 55658 72028 111316 173137 306119 346274 612238 692548 1224476 1904507 2943329 3809014 5886658 7618028 11773316 32376619 64753238 129506476 283425269 566850538 1133701076 3117677959 4818229573 6235355918 9636459146 12470711836 19272918292 53000525303 106001050606 212002101212