12745653012 has 36 divisors (see below), whose sum is σ = 32530985760. Its totient is φ = 4207301712.

The previous prime is 12745652999. The next prime is 12745653013. The reversal of 12745653012 is 21035654721.

12745653012 is a `hidden beast` number, since 1 + 2 + 74 + 56 + 530 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745653013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714962 + ... + 1722377.

Almost surely, 2^12745653012 is an apocalyptic number.

12745653012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12745653012 is an abundant number, since it is smaller than the sum of its proper divisors (19785332748).

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

12745653012 is a wasteful number, since it uses less digits than its factorization.

12745653012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437452 (or 3437447 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 12745653012 in words is "twelve billion, seven hundred forty-five million, six hundred fifty-three thousand, twelve".