12640214601 has 48 divisors (see below), whose sum is σ = 21622723200. Its totient is φ = 6962022144.

The previous prime is 12640214591. The next prime is 12640214621. The reversal of 12640214601 is 10641204621.

12640214601 is a `hidden beast` number, since 1 + 2 + 6 + 40 + 2 + 14 + 601 = 666.

It is not a de Polignac number, because 12640214601 - 2⁷ = 12640214473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12640214621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125325 + ... + 1136501.

It is an arithmetic number, because the mean of its divisors is an integer number (450473400).

Almost surely, 2^12640214601 is an apocalyptic number.

It is an amenable number.

12640214601 is a deficient number, since it is larger than the sum of its proper divisors (8982508599).

12640214601 is a wasteful number, since it uses less digits than its factorization.

12640214601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838 (or 11835 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 12640214601 in words is "twelve billion, six hundred forty million, two hundred fourteen thousand, six hundred one".