12605463120 has 80 divisors (see below), whose sum is σ = 40030062912. Its totient is φ = 3279467520.

The previous prime is 12605463109. The next prime is 12605463149. The reversal of 12605463120 is 2136450621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 630682 + ... + 650361.

Almost surely, 2^12605463120 is an apocalyptic number.

12605463120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12605463120 is an abundant number, since it is smaller than the sum of its proper divisors (27424599792).

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

12605463120 is a wasteful number, since it uses less digits than its factorization.

12605463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281100 (or 1281094 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12605463120 in words is "twelve billion, six hundred five million, four hundred sixty-three thousand, one hundred twenty".