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12100212222010 = 2511176539909191
BaseRepresentation
bin1011000000010100110011…
…0110011110100000111010
31120211202202121001102220121
42300011030312132200322
53041222213312101020
641422432153443454
72356132352601043
oct260051466364072
946752677042817
1012100212222010
1139457423904a0
12143512871058a
1369a078175683
142db920cc38ca
1515eb4aacabaa
hexb014cd9e83a

12100212222010 has 64 divisors (see below), whose sum is σ = 25196617776384. Its totient is φ = 4134906803200.

The previous prime is 12100212221987. The next prime is 12100212222011. The reversal of 12100212222010 is 1022221200121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12100212222011) 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, 3733486 + ... + 6175705.

It is an arithmetic number, because the mean of its divisors is an integer number (393697152756).

Almost surely, 212100212222010 is an apocalyptic number.

12100212222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100212222010 is an abundant number, since it is smaller than the sum of its proper divisors (13096405554374).

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

12100212222010 is a wasteful number, since it uses less digits than its factorization.

12100212222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909879.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12100212222010 its reverse (1022221200121), we get a palindrome (13122433422131).

The spelling of 12100212222010 in words is "twelve trillion, one hundred billion, two hundred twelve million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 653 935 1306 1870 3265 6530 7183 11101 14366 22202 35915 55505 71830 111010 122111 244222 610555 1221110 9909191 19818382 49545955 99091910 109001101 168456247 218002202 336912494 545005505 842281235 1090011010 1684562470 1853018717 3706037434 6470701723 9265093585 12941403446 18530187170 32353508615 64707017230 71177718953 110001929291 142355437906 220003858582 355888594765 550009646455 711777189530 1100019292910 1210021222201 2420042444402 6050106111005 12100212222010