122220120200 has 48 divisors (see below), whose sum is σ = 286975309860. Its totient is φ = 48404000000.

The previous prime is 122220120193. The next prime is 122220120247. The reversal of 122220120200 is 2021022221.

It can be written as a sum of positive squares in 6 ways, for example, as 108993740164 + 13226380036 = 330142^2 + 115006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3005051 + ... + 3045450.

Almost surely, 2^122220120200 is an apocalyptic number.

122220120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220120200 is an abundant number, since it is smaller than the sum of its proper divisors (164755189660).

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

122220120200 is a wasteful number, since it uses less digits than its factorization.

122220120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050618 (or 6050609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122220120200 its reverse (2021022221), we get a palindrome (124241142421).

The spelling of 122220120200 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred".