12645732470052 has 48 divisors (see below), whose sum is σ = 32189438498112. Its totient is φ = 3832004273280.

The previous prime is 12645732470027. The next prime is 12645732470243. The reversal of 12645732470052 is 25007423754621.

It is a junction number, because it is equal to n+sod(n) for n = 12645732469983 and 12645732470010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15978058 + ... + 16750814.

It is an arithmetic number, because the mean of its divisors is an integer number (670613302044).

Almost surely, 2^{12645732470052} is an apocalyptic number.

12645732470052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12645732470052 is an abundant number, since it is smaller than the sum of its proper divisors (19543706028060).

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

12645732470052 is a wasteful number, since it uses less digits than its factorization.

12645732470052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896748 (or 896746 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 12645732470052 in words is "twelve trillion, six hundred forty-five billion, seven hundred thirty-two million, four hundred seventy thousand, fifty-two".