12919100660 has 24 divisors (see below), whose sum is σ = 27158208000. Its totient is φ = 5162288544.

The previous prime is 12919100657. The next prime is 12919100681. The reversal of 12919100660 is 6600191921.

It is a self number, because there is not a number n which added to its sum of digits gives 12919100660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314660 + ... + 353339.

It is an arithmetic number, because the mean of its divisors is an integer number (1131592000).

Almost surely, 2^12919100660 is an apocalyptic number.

12919100660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12919100660 is an abundant number, since it is smaller than the sum of its proper divisors (14239107340).

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

12919100660 is a wasteful number, since it uses less digits than its factorization.

12919100660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668975 (or 668973 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 12919100660 in words is "twelve billion, nine hundred nineteen million, one hundred thousand, six hundred sixty".