13212010122211 has 4 divisors (see below), whose sum is σ = 13238918493624. Its totient is φ = 13185101750800.

The previous prime is 13212010122203. The next prime is 13212010122229. The reversal of 13212010122211 is 11222101021231.

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 13212010122211 - 2³ = 13212010122203 is a prime.

It is a super-2 number, since 2×13212010122211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212010122271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13454184970 + ... + 13454185951.

It is an arithmetic number, because the mean of its divisors is an integer number (3309729623406).

Almost surely, 2^{13212010122211} is an apocalyptic number.

13212010122211 is a deficient number, since it is larger than the sum of its proper divisors (26908371413).

13212010122211 is an equidigital number, since it uses as much as digits as its factorization.

13212010122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26908371412.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13212010122211 its reverse (11222101021231), we get a palindrome (24434111143442).

The spelling of 13212010122211 in words is "thirteen trillion, two hundred twelve billion, ten million, one hundred twenty-two thousand, two hundred eleven".