122212012100 has 72 divisors (see below), whose sum is σ = 266157964800. Its totient is φ = 48708582400.

The previous prime is 122212012093. The next prime is 122212012127. The reversal of 122212012100 is 1210212221.

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, 40186580 + ... + 40189620.

It is an arithmetic number, because the mean of its divisors is an integer number (3696638400).

Almost surely, 2^122212012100 is an apocalyptic number.

122212012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212012100 is an abundant number, since it is smaller than the sum of its proper divisors (143945952700).

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

122212012100 is a wasteful number, since it uses less digits than its factorization.

122212012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122212012100 its reverse (1210212221), we get a palindrome (123422224321).

The spelling of 122212012100 in words is "one hundred twenty-two billion, two hundred twelve million, twelve thousand, one hundred".