122012313220 has 24 divisors (see below), whose sum is σ = 292829552064. Its totient is φ = 41832793056.

The previous prime is 122012313211. The next prime is 122012313229. The reversal of 122012313220 is 22313210221.

It is an interprime number because it is at equal distance from previous prime (122012313211) and next prime (122012313229).

It is not an unprimeable number, because it can be changed into a prime (122012313229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435758122 + ... + 435758401.

It is an arithmetic number, because the mean of its divisors is an integer number (12201231336).

Almost surely, 2^122012313220 is an apocalyptic number.

122012313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012313220 is an abundant number, since it is smaller than the sum of its proper divisors (170817238844).

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

122012313220 is a wasteful number, since it uses less digits than its factorization.

122012313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871516539 (or 871516537 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122012313220 its reverse (22313210221), we get a palindrome (144325523441).

The spelling of 122012313220 in words is "one hundred twenty-two billion, twelve million, three hundred thirteen thousand, two hundred twenty".