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12712133060 = 2251157782423
BaseRepresentation
bin10111101011011001…
…11100000111000100
31012210221010021020222
423311230330013010
5202013301224220
65501225043512
7630006230264
oct136554740704
935727107228
1012712133060
1154337387a0
122569326598
131277861633
148884337a4
154e603ce25
hex2f5b3c1c4

12712133060 has 24 divisors (see below), whose sum is σ = 29122341696. Its totient is φ = 4622593760.

The previous prime is 12712133059. The next prime is 12712133069. The reversal of 12712133060 is 6033121721.

It is not an unprimeable number, because it can be changed into a prime (12712133069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28890992 + ... + 28891431.

It is an arithmetic number, because the mean of its divisors is an integer number (1213430904).

Almost surely, 212712133060 is an apocalyptic number.

12712133060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12712133060 is an abundant number, since it is smaller than the sum of its proper divisors (16410208636).

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

12712133060 is a wasteful number, since it uses less digits than its factorization.

12712133060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57782443 (or 57782441 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 12712133060 its reverse (6033121721), we get a palindrome (18745254781).

The spelling of 12712133060 in words is "twelve billion, seven hundred twelve million, one hundred thirty-three thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 57782423 115564846 231129692 288912115 577824230 635606653 1155648460 1271213306 2542426612 3178033265 6356066530 12712133060