122012222120 has 64 divisors (see below), whose sum is σ = 279060707520. Its totient is φ = 48005167104.

The previous prime is 122012222117. The next prime is 122012222131. The reversal of 122012222120 is 21222210221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535979 + ... + 728901.

It is an arithmetic number, because the mean of its divisors is an integer number (4360323555).

Almost surely, 2^122012222120 is an apocalyptic number.

122012222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012222120 is an abundant number, since it is smaller than the sum of its proper divisors (157048485400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122012222120 is a wasteful number, since it uses less digits than its factorization.

122012222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193194 (or 193190 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122012222120 its reverse (21222210221), we get a palindrome (143234432341).

The spelling of 122012222120 in words is "one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, one hundred twenty".