12222202100 has 36 divisors (see below), whose sum is σ = 26639065824. Its totient is φ = 4867334880.

The previous prime is 12222202087. The next prime is 12222202129. The reversal of 12222202100 is 120222221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246512 + ... + 291911.

Almost surely, 2^12222202100 is an apocalyptic number.

12222202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222202100 is an abundant number, since it is smaller than the sum of its proper divisors (14416863724).

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

12222202100 is a wasteful number, since it uses less digits than its factorization.

12222202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538664 (or 538657 counting only the distinct ones).

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

Adding to 12222202100 its reverse (120222221), we get a palindrome (12342424321).

The spelling of 12222202100 in words is "twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred".