12639222293 has 8 divisors (see below), whose sum is σ = 12657693312. Its totient is φ = 12620766816.

The previous prime is 12639222259. The next prime is 12639222307. The reversal of 12639222293 is 39222293621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12639222293 - 2²⁸ = 12370786837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12639222293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12639242293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389396 + ... + 3393122.

It is an arithmetic number, because the mean of its divisors is an integer number (1582211664).

Almost surely, 2^12639222293 is an apocalyptic number.

It is an amenable number.

12639222293 is a deficient number, since it is larger than the sum of its proper divisors (18471019).

12639222293 is a wasteful number, since it uses less digits than its factorization.

12639222293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its digits is 139968, while the sum is 41.

The spelling of 12639222293 in words is "twelve billion, six hundred thirty-nine million, two hundred twenty-two thousand, two hundred ninety-three".