12607650816 has 44 divisors (see below), whose sum is σ = 33603994152. Its totient is φ = 4202549248.

The previous prime is 12607650787. The next prime is 12607650817. The reversal of 12607650816 is 61805670621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12607650817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048955 + ... + 2055098.

Almost surely, 2^12607650816 is an apocalyptic number.

12607650816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12607650816 is an abundant number, since it is smaller than the sum of its proper divisors (20996343336).

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

12607650816 is an equidigital number, since it uses as much as digits as its factorization.

12607650816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104076 (or 4104058 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 12607650816 in words is "twelve billion, six hundred seven million, six hundred fifty thousand, eight hundred sixteen".