13125469212 has 18 divisors (see below), whose sum is σ = 33178269488. Its totient is φ = 4375156392.

The previous prime is 13125469169. The next prime is 13125469229. The reversal of 13125469212 is 21296452131.

13125469212 is a `hidden beast` number, since 1 + 3 + 12 + 546 + 92 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 364596367 = 13125469212 / (1 + 3 + 1 + 2 + 5 + 4 + 6 + 9 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182298148 + ... + 182298219.

Almost surely, 2^13125469212 is an apocalyptic number.

13125469212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125469212 is an abundant number, since it is smaller than the sum of its proper divisors (20052800276).

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

13125469212 is a wasteful number, since it uses less digits than its factorization.

13125469212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364596377 (or 364596372 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 13125469212 in words is "thirteen billion, one hundred twenty-five million, four hundred sixty-nine thousand, two hundred twelve".