122100200 has 24 divisors (see below), whose sum is σ = 283883430. Its totient is φ = 48840000.

The previous prime is 122100193. The next prime is 122100211. The reversal of 122100200 is 2001221.

It can be written as a sum of positive squares in 3 ways, for example, as 69189124 + 52911076 = 8318^2 + 7274^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305051 + ... + 305450.

Almost surely, 2^122100200 is an apocalyptic number.

122100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100200 is an abundant number, since it is smaller than the sum of its proper divisors (161783230).

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

122100200 is a wasteful number, since it uses less digits than its factorization.

122100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610517 (or 610508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 122100200 is about 11049.8959271117. The cubic root of 122100200 is about 496.1033105128.

Adding to 122100200 its reverse (2001221), we get a palindrome (124101421).

The spelling of 122100200 in words is "one hundred twenty-two million, one hundred thousand, two hundred".