12100920100 has 18 divisors (see below), whose sum is σ = 26258996834. Its totient is φ = 4840368000.

The previous prime is 12100920067. The next prime is 12100920133. The reversal of 12100920100 is 102900121.

It is an interprime number because it is at equal distance from previous prime (12100920067) and next prime (12100920133).

It can be written as a sum of positive squares in 3 ways, for example, as 30382144 + 12070537956 = 5512^2 + 109866^2 .

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, 60504501 + ... + 60504700.

Almost surely, 2^12100920100 is an apocalyptic number.

12100920100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100920100 is an abundant number, since it is smaller than the sum of its proper divisors (14158076734).

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

12100920100 is a wasteful number, since it uses less digits than its factorization.

12100920100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121009215 (or 121009208 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 12100920100 in words is "twelve billion, one hundred million, nine hundred twenty thousand, one hundred".