122012120211 has 32 divisors (see below), whose sum is σ = 170832836160. Its totient is φ = 77390438400.

The previous prime is 122012120189. The next prime is 122012120213. The reversal of 122012120211 is 112021210221.

It is not a de Polignac number, because 122012120211 - 2¹⁵ = 122012087443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012120213) 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 31 ways as a sum of consecutive naturals, for example, 722791 + ... + 875471.

It is an arithmetic number, because the mean of its divisors is an integer number (5338526130).

Almost surely, 2^122012120211 is an apocalyptic number.

122012120211 is a deficient number, since it is larger than the sum of its proper divisors (48820715949).

122012120211 is a wasteful number, since it uses less digits than its factorization.

122012120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152887.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122012120211 its reverse (112021210221), we get a palindrome (234033330432).

The spelling of 122012120211 in words is "one hundred twenty-two billion, twelve million, one hundred twenty thousand, two hundred eleven".