122122220120 has 64 divisors (see below), whose sum is σ = 280203144480. Its totient is φ = 47893303296.

The previous prime is 122122220117. The next prime is 122122220173. The reversal of 122122220120 is 21022221221.

It is a happy number.

It is a congruent 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, 268082 + ... + 562238.

Almost surely, 2^122122220120 is an apocalyptic number.

122122220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122220120 is an abundant number, since it is smaller than the sum of its proper divisors (158080924360).

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

122122220120 is a wasteful number, since it uses less digits than its factorization.

122122220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294372 (or 294368 counting only the distinct ones).

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

Adding to 122122220120 its reverse (21022221221), we get a palindrome (143144441341).

The spelling of 122122220120 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".