122112220200 has 96 divisors (see below), whose sum is σ = 381055104960. Its totient is φ = 32347584000.

The previous prime is 122112220193. The next prime is 122112220201. The reversal of 122112220200 is 2022211221.

It is a super-2 number, since 2×122112220200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122112220200.

It is not an unprimeable number, because it can be changed into a prime (122112220201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583309 + ... + 764508.

It is an arithmetic number, because the mean of its divisors is an integer number (3969324010).

Almost surely, 2^122112220200 is an apocalyptic number.

122112220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112220200 is an abundant number, since it is smaller than the sum of its proper divisors (258942884760).

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

122112220200 is a wasteful number, since it uses less digits than its factorization.

122112220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347987 (or 1347978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122112220200 its reverse (2022211221), we get a palindrome (124134431421).

The spelling of 122112220200 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred".