12100109975 has 12 divisors (see below), whose sum is σ = 15886733184. Its totient is φ = 9110670720.

The previous prime is 12100109927. The next prime is 12100109977. The reversal of 12100109975 is 57990100121.

It is not a de Polignac number, because 12100109975 - 2¹⁸ = 12099847831 is a prime.

It is a super-2 number, since 2×12100109975² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100109977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14234999 + ... + 14235848.

It is an arithmetic number, because the mean of its divisors is an integer number (1323894432).

Almost surely, 2^12100109975 is an apocalyptic number.

12100109975 is a deficient number, since it is larger than the sum of its proper divisors (3786623209).

12100109975 is a wasteful number, since it uses less digits than its factorization.

12100109975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28470874 (or 28470869 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The spelling of 12100109975 in words is "twelve billion, one hundred million, one hundred nine thousand, nine hundred seventy-five".