12641116140 has 72 divisors (see below), whose sum is σ = 39581662848. Its totient is φ = 3262222080.

The previous prime is 12641116127. The next prime is 12641116183. The reversal of 12641116140 is 4161114621.

12641116140 is a `hidden beast` number, since 1 + 2 + 6 + 41 + 1 + 1 + 614 + 0 = 666.

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, 1127137 + ... + 1138296.

Almost surely, 2^12641116140 is an apocalyptic number.

12641116140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12641116140 is an abundant number, since it is smaller than the sum of its proper divisors (26940546708).

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

12641116140 is a wasteful number, since it uses less digits than its factorization.

12641116140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265479 (or 2265474 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 12641116140 in words is "twelve billion, six hundred forty-one million, one hundred sixteen thousand, one hundred forty".