122012233311 has 4 divisors (see below), whose sum is σ = 162682977752. Its totient is φ = 81341488872.

The previous prime is 122012233279. The next prime is 122012233327. The reversal of 122012233311 is 113332210221.

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

It is not a de Polignac number, because 122012233311 - 2⁵ = 122012233279 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 (122012233351) 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, 20335372216 + ... + 20335372221.

It is an arithmetic number, because the mean of its divisors is an integer number (40670744438).

Almost surely, 2^122012233311 is an apocalyptic number.

122012233311 is a deficient number, since it is larger than the sum of its proper divisors (40670744441).

122012233311 is an equidigital number, since it uses as much as digits as its factorization.

122012233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40670744440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122012233311 its reverse (113332210221), we get a palindrome (235344443532).

The spelling of 122012233311 in words is "one hundred twenty-two billion, twelve million, two hundred thirty-three thousand, three hundred eleven".