12565277152 has 24 divisors (see below), whose sum is σ = 24792049296. Its totient is φ = 6268883712.

The previous prime is 12565277149. The next prime is 12565277171. The reversal of 12565277152 is 25177256521.

It is a super-2 number, since 2×12565277152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12565277099 and 12565277108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414988 + ... + 444235.

It is an arithmetic number, because the mean of its divisors is an integer number (1033002054).

Almost surely, 2^12565277152 is an apocalyptic number.

It is an amenable number.

12565277152 is a deficient number, since it is larger than the sum of its proper divisors (12226772144).

12565277152 is an equidigital number, since it uses as much as digits as its factorization.

12565277152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859690 (or 859682 counting only the distinct ones).

The product of its digits is 294000, while the sum is 43.

The spelling of 12565277152 in words is "twelve billion, five hundred sixty-five million, two hundred seventy-seven thousand, one hundred fifty-two".