122220310031220 has 96 divisors (see below), whose sum is σ = 362819853043200. Its totient is φ = 30654575259264.

The previous prime is 122220310031219. The next prime is 122220310031221. The reversal of 122220310031220 is 22130013022221.

It is an interprime number because it is at equal distance from previous prime (122220310031219) and next prime (122220310031221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220310031221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385491894 + ... + 385808813.

It is an arithmetic number, because the mean of its divisors is an integer number (3779373469200).

Almost surely, 2^{122220310031220} is an apocalyptic number.

122220310031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220310031220 is an abundant number, since it is smaller than the sum of its proper divisors (240599543011980).

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

122220310031220 is a wasteful number, since it uses less digits than its factorization.

122220310031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771300877 (or 771300875 counting only the distinct ones).

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

Adding to 122220310031220 its reverse (22130013022221), we get a palindrome (144350323053441).

The spelling of 122220310031220 in words is "one hundred twenty-two trillion, two hundred twenty billion, three hundred ten million, thirty-one thousand, two hundred twenty".