12955898712 has 64 divisors (see below), whose sum is σ = 34963488000. Its totient is φ = 3988417664.

The previous prime is 12955898701. The next prime is 12955898717. The reversal of 12955898712 is 21789855921.

It is a super-2 number, since 2×12955898712² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12955898717) 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, 388662 + ... + 420677.

It is an arithmetic number, because the mean of its divisors is an integer number (546304500).

Almost surely, 2^12955898712 is an apocalyptic number.

12955898712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12955898712 is an abundant number, since it is smaller than the sum of its proper divisors (22007589288).

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

12955898712 is a wasteful number, since it uses less digits than its factorization.

12955898712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809400 (or 809396 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 57.

The spelling of 12955898712 in words is "twelve billion, nine hundred fifty-five million, eight hundred ninety-eight thousand, seven hundred twelve".