122021212200 has 96 divisors (see below), whose sum is σ = 388489227360. Its totient is φ = 31659552000.

The previous prime is 122021212199. The next prime is 122021212211. The reversal of 122021212200 is 2212120221.

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 122021212200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2726026 + ... + 2770425.

It is an arithmetic number, because the mean of its divisors is an integer number (4046762785).

Almost surely, 2^122021212200 is an apocalyptic number.

122021212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021212200 is an abundant number, since it is smaller than the sum of its proper divisors (266468015160).

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

122021212200 is a wasteful number, since it uses less digits than its factorization.

122021212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496507 (or 5496498 counting only the distinct ones).

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

Adding to 122021212200 its reverse (2212120221), we get a palindrome (124233332421).

The spelling of 122021212200 in words is "one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, two hundred".