122231312020 has 48 divisors (see below), whose sum is σ = 257542306560. Its totient is φ = 48729517056.

The previous prime is 122231312017. The next prime is 122231312053. The reversal of 122231312020 is 20213132221.

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, 21734929 + ... + 21740551.

It is an arithmetic number, because the mean of its divisors is an integer number (5365464720).

Almost surely, 2^122231312020 is an apocalyptic number.

122231312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122231312020 is an abundant number, since it is smaller than the sum of its proper divisors (135310994540).

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

122231312020 is a wasteful number, since it uses less digits than its factorization.

122231312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064 (or 9062 counting only the distinct ones).

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

Adding to 122231312020 its reverse (20213132221), we get a palindrome (142444444241).

The spelling of 122231312020 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred twelve thousand, twenty".