122133221220 has 96 divisors (see below), whose sum is σ = 344314656000. Its totient is φ = 32346445824.

The previous prime is 122133221201. The next prime is 122133221251. The reversal of 122133221220 is 22122331221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6784872 + ... + 6802848.

It is an arithmetic number, because the mean of its divisors is an integer number (3586611000).

Almost surely, 2^122133221220 is an apocalyptic number.

122133221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122133221220 is an abundant number, since it is smaller than the sum of its proper divisors (222181434780).

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

122133221220 is a wasteful number, since it uses less digits than its factorization.

122133221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757 (or 18755 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122133221220 its reverse (22122331221), we get a palindrome (144255552441).

The spelling of 122133221220 in words is "one hundred twenty-two billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty".