12265700655 has 64 divisors (see below), whose sum is σ = 21894768000. Its totient is φ = 5821949952.

The previous prime is 12265700641. The next prime is 12265700669. The reversal of 12265700655 is 55600756221.

It is an interprime number because it is at equal distance from previous prime (12265700641) and next prime (12265700669).

It is not a de Polignac number, because 12265700655 - 2⁷ = 12265700527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6044181 + ... + 6046209.

It is an arithmetic number, because the mean of its divisors is an integer number (342105750).

Almost surely, 2^12265700655 is an apocalyptic number.

12265700655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12265700655 is a deficient number, since it is larger than the sum of its proper divisors (9629067345).

12265700655 is a wasteful number, since it uses less digits than its factorization.

12265700655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 12265700655 in words is "twelve billion, two hundred sixty-five million, seven hundred thousand, six hundred fifty-five".