12251533504 has 84 divisors (see below), whose sum is σ = 28309702080. Its totient is φ = 5245309440.

The previous prime is 12251533501. The next prime is 12251533561. The reversal of 12251533504 is 40533515221.

It is not an unprimeable number, because it can be changed into a prime (12251533501) 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, 5515114 + ... + 5517334.

Almost surely, 2^12251533504 is an apocalyptic number.

12251533504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12251533504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14154851040).

12251533504 is an abundant number, since it is smaller than the sum of its proper divisors (16058168576).

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

12251533504 is a wasteful number, since it uses less digits than its factorization.

12251533504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 12251533504 in words is "twelve billion, two hundred fifty-one million, five hundred thirty-three thousand, five hundred four".