12525229332 has 432 divisors, whose sum is σ = 42817896576. Its totient is φ = 3010867200.

The previous prime is 12525229309. The next prime is 12525229391. The reversal of 12525229332 is 23392252521.

12525229332 is a `hidden beast` number, since 1 + 252 + 52 + 29 + 332 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 37840407 + ... + 37840737.

Almost surely, 2^12525229332 is an apocalyptic number.

12525229332 is a gapful number since it is divisible by the number (12) 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 12525229332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21408948288).

12525229332 is an abundant number, since it is smaller than the sum of its proper divisors (30292667244).

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

12525229332 is a wasteful number, since it uses less digits than its factorization.

12525229332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 444 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 12525229332 in words is "twelve billion, five hundred twenty-five million, two hundred twenty-nine thousand, three hundred thirty-two".