12909762512532 has 48 divisors (see below), whose sum is σ = 34924961393280. Its totient is φ = 4116156162624.

The previous prime is 12909762512531. The next prime is 12909762512573. The reversal of 12909762512532 is 23521526790921.

12909762512532 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 9 + 7 + 625 + 1 + 2 + 5 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909762512531) 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, 2598580953 + ... + 2598585920.

It is an arithmetic number, because the mean of its divisors is an integer number (727603362360).

Almost surely, 2^{12909762512532} is an apocalyptic number.

12909762512532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12909762512532 is an abundant number, since it is smaller than the sum of its proper divisors (22015198880748).

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

12909762512532 is a wasteful number, since it uses less digits than its factorization.

12909762512532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197166909 (or 5197166901 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 12909762512532 in words is "twelve trillion, nine hundred nine billion, seven hundred sixty-two million, five hundred twelve thousand, five hundred thirty-two".