12100131100105 has 16 divisors (see below), whose sum is σ = 14634463651200. Its totient is φ = 9604176265728.

The previous prime is 12100131100091. The next prime is 12100131100129. The reversal of 12100131100105 is 50100113100121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12100131100105 - 2⁷ = 12100131099977 is a prime.

It is a super-2 number, since 2×12100131100105² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16873887 + ... + 17576356.

It is an arithmetic number, because the mean of its divisors is an integer number (914653978200).

Almost surely, 2^{12100131100105} is an apocalyptic number.

It is an amenable number.

12100131100105 is a deficient number, since it is larger than the sum of its proper divisors (2534332551095).

12100131100105 is a wasteful number, since it uses less digits than its factorization.

12100131100105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34450800.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 12100131100105 its reverse (50100113100121), we get a palindrome (62200244200226).

The spelling of 12100131100105 in words is "twelve trillion, one hundred billion, one hundred thirty-one million, one hundred thousand, one hundred five".