12265601904 has 120 divisors (see below), whose sum is σ = 35645478960. Its totient is φ = 4083084288.

The previous prime is 12265601899. The next prime is 12265601941. The reversal of 12265601904 is 40910656221.

12265601904 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 560 + 1 + 90 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3796962 + ... + 3800190.

It is an arithmetic number, because the mean of its divisors is an integer number (297045658).

Almost surely, 2^12265601904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12265601904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17822739480).

12265601904 is an abundant number, since it is smaller than the sum of its proper divisors (23379877056).

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

12265601904 is an equidigital number, since it uses as much as digits as its factorization.

12265601904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 12265601904 in words is "twelve billion, two hundred sixty-five million, six hundred one thousand, nine hundred four".