12100121104 has 40 divisors (see below), whose sum is σ = 23606080632. Its totient is φ = 6008340480.

The previous prime is 12100121071. The next prime is 12100121167. The reversal of 12100121104 is 40112100121.

It can be written as a sum of positive squares in 4 ways, for example, as 2964584704 + 9135536400 = 54448^2 + 95580^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976352 + ... + 1982464.

Almost surely, 2^12100121104 is an apocalyptic number.

It is an amenable number.

12100121104 is a deficient number, since it is larger than the sum of its proper divisors (11505959528).

12100121104 is a wasteful number, since it uses less digits than its factorization.

12100121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100121104 its reverse (40112100121), we get a palindrome (52212221225).

It can be divided in two parts, 12100 and 121104, that multiplied together give a square (1465358400 = 38280²).

The spelling of 12100121104 in words is "twelve billion, one hundred million, one hundred twenty-one thousand, one hundred four".