122312202231220 has 48 divisors (see below), whose sum is σ = 268782533591040. Its totient is φ = 46665140673536.

The previous prime is 122312202231091. The next prime is 122312202231251. The reversal of 122312202231220 is 22132202213221.

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, 376460980 + ... + 376785739.

It is an arithmetic number, because the mean of its divisors is an integer number (5599636116480).

Almost surely, 2^{122312202231220} is an apocalyptic number.

122312202231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122312202231220 is an abundant number, since it is smaller than the sum of its proper divisors (146470331359820).

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

122312202231220 is a wasteful number, since it uses less digits than its factorization.

122312202231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753247104 (or 753247102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122312202231220 its reverse (22132202213221), we get a palindrome (144444404444441).

The spelling of 122312202231220 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred two million, two hundred thirty-one thousand, two hundred twenty".