13221188259747 has 16 divisors (see below), whose sum is σ = 19003011020448. Its totient is φ = 8128084124160.

The previous prime is 13221188259739. The next prime is 13221188259779. The reversal of 13221188259747 is 74795288112231.

It is not a de Polignac number, because 13221188259747 - 2³ = 13221188259739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221188239747) 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, 167287654 + ... + 167366667.

It is an arithmetic number, because the mean of its divisors is an integer number (1187688188778).

Almost surely, 2^{13221188259747} is an apocalyptic number.

13221188259747 is a deficient number, since it is larger than the sum of its proper divisors (5781822760701).

13221188259747 is a wasteful number, since it uses less digits than its factorization.

13221188259747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334655350.

The product of its digits is 13547520, while the sum is 60.

The spelling of 13221188259747 in words is "thirteen trillion, two hundred twenty-one billion, one hundred eighty-eight million, two hundred fifty-nine thousand, seven hundred forty-seven".