12348765624 has 64 divisors (see below), whose sum is σ = 33264030240. Its totient is φ = 3797637120.

The previous prime is 12348765623. The next prime is 12348765659. The reversal of 12348765624 is 42656784321.

It is a Cunningham number, because it is equal to 111125²-1.

It is a super-3 number, since 3×12348765624³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12348765623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657484 + ... + 676004.

Almost surely, 2^12348765624 is an apocalyptic number.

It is an amenable number.

12348765624 is an abundant number, since it is smaller than the sum of its proper divisors (20915264616).

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

12348765624 is a wasteful number, since it uses less digits than its factorization.

12348765624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20680 (or 20676 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 12348765624 in words is "twelve billion, three hundred forty-eight million, seven hundred sixty-five thousand, six hundred twenty-four".