12045257252 has 96 divisors (see below), whose sum is σ = 25823750400. Its totient is φ = 4801462272.

The previous prime is 12045257227. The next prime is 12045257311. The reversal of 12045257252 is 25275254021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10446308 + ... + 10447460.

It is an arithmetic number, because the mean of its divisors is an integer number (268997400).

Almost surely, 2^12045257252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12045257252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12911875200).

12045257252 is an abundant number, since it is smaller than the sum of its proper divisors (13778493148).

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

12045257252 is a wasteful number, since it uses less digits than its factorization.

12045257252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 12045257252 in words is "twelve billion, forty-five million, two hundred fifty-seven thousand, two hundred fifty-two".