12650641377 has 16 divisors (see below), whose sum is σ = 19035449280. Its totient is φ = 7402673600.

The previous prime is 12650641363. The next prime is 12650641387. The reversal of 12650641377 is 77314605621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12650641377 - 2⁸ = 12650641121 is a prime.

It is a super-2 number, since 2×12650641377² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12650641327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6608574 + ... + 6610487.

It is an arithmetic number, because the mean of its divisors is an integer number (1189715580).

Almost surely, 2^12650641377 is an apocalyptic number.

It is an amenable number.

12650641377 is a deficient number, since it is larger than the sum of its proper divisors (6384807903).

12650641377 is a wasteful number, since it uses less digits than its factorization.

12650641377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219104.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 12650641377 in words is "twelve billion, six hundred fifty million, six hundred forty-one thousand, three hundred seventy-seven".