13221126364 has 24 divisors (see below), whose sum is σ = 24532497360. Its totient is φ = 6216921216.

The previous prime is 13221126353. The next prime is 13221126371. The reversal of 13221126364 is 46362112231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624487 + ... + 645310.

It is an arithmetic number, because the mean of its divisors is an integer number (1022187390).

Almost surely, 2^13221126364 is an apocalyptic number.

It is an amenable number.

13221126364 is a deficient number, since it is larger than the sum of its proper divisors (11311370996).

13221126364 is a wasteful number, since it uses less digits than its factorization.

13221126364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269957 (or 1269955 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

Adding to 13221126364 its reverse (46362112231), we get a palindrome (59583238595).

The spelling of 13221126364 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-six thousand, three hundred sixty-four".