12212103100 has 36 divisors (see below), whose sum is σ = 26505942400. Its totient is φ = 4883794560.

The previous prime is 12212103083. The next prime is 12212103103. The reversal of 12212103100 is 130121221.

It is a super-2 number, since 2×12212103100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212103103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597856 + ... + 617944.

Almost surely, 2^12212103100 is an apocalyptic number.

12212103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212103100 is an abundant number, since it is smaller than the sum of its proper divisors (14293839300).

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

12212103100 is a wasteful number, since it uses less digits than its factorization.

12212103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182 (or 26175 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12212103100 its reverse (130121221), we get a palindrome (12342224321).

The spelling of 12212103100 in words is "twelve billion, two hundred twelve million, one hundred three thousand, one hundred".