12100120100 has 36 divisors (see below), whose sum is σ = 26300649984. Its totient is φ = 4832050080.

The previous prime is 12100120093. The next prime is 12100120111. The reversal of 12100120100 is 102100121.

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, 38972 + ... + 160371.

Almost surely, 2^12100120100 is an apocalyptic number.

12100120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100120100 is an abundant number, since it is smaller than the sum of its proper divisors (14200529884).

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

12100120100 is a wasteful number, since it uses less digits than its factorization.

12100120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199964 (or 199957 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12100120100 its reverse (102100121), we get a palindrome (12202220221).

The spelling of 12100120100 in words is "twelve billion, one hundred million, one hundred twenty thousand, one hundred".