13120211211 has 16 divisors (see below), whose sum is σ = 17970398208. Its totient is φ = 8508520800.

The previous prime is 13120211201. The next prime is 13120211297. The reversal of 13120211211 is 11211202131.

It is not a de Polignac number, because 13120211211 - 2⁵ = 13120211179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120211201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 632596 + ... + 653006.

It is an arithmetic number, because the mean of its divisors is an integer number (1123149888).

Almost surely, 2^13120211211 is an apocalyptic number.

13120211211 is a deficient number, since it is larger than the sum of its proper divisors (4850186997).

13120211211 is a wasteful number, since it uses less digits than its factorization.

13120211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26242.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13120211211 its reverse (11211202131), we get a palindrome (24331413342).

The spelling of 13120211211 in words is "thirteen billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".