13212230021311 has 4 divisors (see below), whose sum is σ = 13271477689792. Its totient is φ = 13152982352832.

The previous prime is 13212230021273. The next prime is 13212230021357. The reversal of 13212230021311 is 11312003221231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13212230021311 - 2⁷ = 13212230021183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212230051311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29623833906 + ... + 29623834351.

It is an arithmetic number, because the mean of its divisors is an integer number (3317869422448).

Almost surely, 2^{13212230021311} is an apocalyptic number.

13212230021311 is a deficient number, since it is larger than the sum of its proper divisors (59247668481).

13212230021311 is an equidigital number, since it uses as much as digits as its factorization.

13212230021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59247668480.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13212230021311 its reverse (11312003221231), we get a palindrome (24524233242542).

The spelling of 13212230021311 in words is "thirteen trillion, two hundred twelve billion, two hundred thirty million, twenty-one thousand, three hundred eleven".