122012144121 has 16 divisors (see below), whose sum is σ = 187628988800. Its totient is φ = 69081579648.

The previous prime is 122012144101. The next prime is 122012144173. The reversal of 122012144121 is 121441210221.

It is not a de Polignac number, because 122012144121 - 2⁹ = 122012143609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012144101) 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, 26649556 + ... + 26654133.

It is an arithmetic number, because the mean of its divisors is an integer number (11726811800).

Almost surely, 2^122012144121 is an apocalyptic number.

It is an amenable number.

122012144121 is a deficient number, since it is larger than the sum of its proper divisors (65616844679).

122012144121 is a wasteful number, since it uses less digits than its factorization.

122012144121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53303808.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122012144121 its reverse (121441210221), we get a palindrome (243453354342).

The spelling of 122012144121 in words is "one hundred twenty-two billion, twelve million, one hundred forty-four thousand, one hundred twenty-one".