12645525244 has 12 divisors (see below), whose sum is σ = 24141457368. Its totient is φ = 5747966000.

The previous prime is 12645525209. The next prime is 12645525271. The reversal of 12645525244 is 44252554621.

It is a super-3 number, since 3×12645525244³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12645525197 and 12645525206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143699107 + ... + 143699194.

It is an arithmetic number, because the mean of its divisors is an integer number (2011788114).

Almost surely, 2^12645525244 is an apocalyptic number.

It is an amenable number.

12645525244 is a deficient number, since it is larger than the sum of its proper divisors (11495932124).

12645525244 is a wasteful number, since it uses less digits than its factorization.

12645525244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287398316 (or 287398314 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

The spelling of 12645525244 in words is "twelve billion, six hundred forty-five million, five hundred twenty-five thousand, two hundred forty-four".