12104223131 has 32 divisors (see below), whose sum is σ = 16266700800. Its totient is φ = 8698366080.

The previous prime is 12104223121. The next prime is 12104223169. The reversal of 12104223131 is 13132240121.

It is a cyclic number.

It is not a de Polignac number, because 12104223131 - 2¹⁰ = 12104222107 is a prime.

It is a super-2 number, since 2×12104223131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12104223101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1225310 + ... + 1235148.

It is an arithmetic number, because the mean of its divisors is an integer number (508334400).

Almost surely, 2^12104223131 is an apocalyptic number.

12104223131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12104223131 is a deficient number, since it is larger than the sum of its proper divisors (4162477669).

12104223131 is a wasteful number, since it uses less digits than its factorization.

12104223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12104223131 its reverse (13132240121), we get a palindrome (25236463252).

The spelling of 12104223131 in words is "twelve billion, one hundred four million, two hundred twenty-three thousand, one hundred thirty-one".