12100540165 has 16 divisors (see below), whose sum is σ = 17468449920. Its totient is φ = 7860801600.

The previous prime is 12100540163. The next prime is 12100540183. The reversal of 12100540165 is 56104500121.

It is a happy number.

It is not a de Polignac number, because 12100540165 - 2¹ = 12100540163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100540163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9097486 + ... + 9098815.

It is an arithmetic number, because the mean of its divisors is an integer number (1091778120).

Almost surely, 2^12100540165 is an apocalyptic number.

It is an amenable number.

12100540165 is a deficient number, since it is larger than the sum of its proper divisors (5367909755).

12100540165 is a wasteful number, since it uses less digits than its factorization.

12100540165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196332.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 12100540165 in words is "twelve billion, one hundred million, five hundred forty thousand, one hundred sixty-five".