12616001720 has 64 divisors (see below), whose sum is σ = 32477414400. Its totient is φ = 4320650880.

The previous prime is 12616001701. The next prime is 12616001771. The reversal of 12616001720 is 2710061621.

It is a self number, because there is not a number n which added to its sum of digits gives 12616001720.

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, 230351 + ... + 279809.

It is an arithmetic number, because the mean of its divisors is an integer number (507459600).

Almost surely, 2^12616001720 is an apocalyptic number.

12616001720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12616001720 is an abundant number, since it is smaller than the sum of its proper divisors (19861412680).

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

12616001720 is a wasteful number, since it uses less digits than its factorization.

12616001720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50388 (or 50384 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 12616001720 in words is "twelve billion, six hundred sixteen million, one thousand, seven hundred twenty".