12397504752 has 240 divisors, whose sum is σ = 37186557408. Its totient is φ = 3849431040.

The previous prime is 12397504751. The next prime is 12397504783. The reversal of 12397504752 is 25740579321.

It is a happy number.

12397504752 is a `hidden beast` number, since 1 + 2 + 3 + 97 + 504 + 7 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12397504698 and 12397504707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397504751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12142002 + ... + 12143022.

Almost surely, 2^12397504752 is an apocalyptic number.

12397504752 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 12397504752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18593278704).

12397504752 is an abundant number, since it is smaller than the sum of its proper divisors (24789052656).

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

12397504752 is a wasteful number, since it uses less digits than its factorization.

12397504752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 12397504752 in words is "twelve billion, three hundred ninety-seven million, five hundred four thousand, seven hundred fifty-two".