12653374321 has 12 divisors (see below), whose sum is σ = 14767194288. Its totient is φ = 10810408392.

The previous prime is 12653374291. The next prime is 12653374333. The reversal of 12653374321 is 12347335621.

It is not a de Polignac number, because 12653374321 - 2⁹ = 12653373809 is a prime.

It is a super-2 number, since 2×12653374321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12653374361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405531 + ... + 435616.

It is an arithmetic number, because the mean of its divisors is an integer number (1230599524).

Almost surely, 2^12653374321 is an apocalyptic number.

It is an amenable number.

12653374321 is a deficient number, since it is larger than the sum of its proper divisors (2113819967).

12653374321 is an equidigital number, since it uses as much as digits as its factorization.

12653374321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841468 (or 841461 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The spelling of 12653374321 in words is "twelve billion, six hundred fifty-three million, three hundred seventy-four thousand, three hundred twenty-one".