12605802102 has 24 divisors (see below), whose sum is σ = 27318531240. Its totient is φ = 4201017120.

The previous prime is 12605802091. The next prime is 12605802109. The reversal of 12605802102 is 20120850621.

It is a happy number.

12605802102 is a `hidden beast` number, since 1 + 2 + 60 + 580 + 21 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605802109) 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, 11077 + ... + 159167.

It is an arithmetic number, because the mean of its divisors is an integer number (1138272135).

Almost surely, 2^12605802102 is an apocalyptic number.

12605802102 is an abundant number, since it is smaller than the sum of its proper divisors (14712729138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12605802102 is a wasteful number, since it uses less digits than its factorization.

12605802102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152828 (or 152825 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 12605802102 in words is "twelve billion, six hundred five million, eight hundred two thousand, one hundred two".