122122021223112 has 16 divisors (see below), whose sum is σ = 305305053057840. Its totient is φ = 40707340407696.

The previous prime is 122122021223039. The next prime is 122122021223117. The reversal of 122122021223112 is 211322120221221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5088417550963 = 122122021223112 / (1 + 2 + 2 + 1 + 2 + 2 + 0 + 2 + 1 + 2 + 2 + 3 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (122122021223117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544208775458 + ... + 2544208775505.

It is an arithmetic number, because the mean of its divisors is an integer number (19081565816115).

Almost surely, 2^{122122021223112} is an apocalyptic number.

122122021223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122122021223112 is an abundant number, since it is smaller than the sum of its proper divisors (183183031834728).

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

122122021223112 is a wasteful number, since it uses less digits than its factorization.

122122021223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088417550972 (or 5088417550968 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 122122021223112 its reverse (211322120221221), we get a palindrome (333444141444333).

The spelling of 122122021223112 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-three thousand, one hundred twelve".