12100023130 has 24 divisors (see below), whose sum is σ = 23584308732. Its totient is φ = 4467700224.

The previous prime is 12100023121. The next prime is 12100023157. The reversal of 12100023130 is 3132000121.

It can be written as a sum of positive squares in 6 ways, for example, as 133194681 + 11966828449 = 11541^2 + 109393^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 12100023130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3578199 + ... + 3581578.

Almost surely, 2^12100023130 is an apocalyptic number.

12100023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100023130 is a deficient number, since it is larger than the sum of its proper divisors (11484285602).

12100023130 is a wasteful number, since it uses less digits than its factorization.

12100023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159810 (or 7159797 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12100023130 its reverse (3132000121), we get a palindrome (15232023251).

The spelling of 12100023130 in words is "twelve billion, one hundred million, twenty-three thousand, one hundred thirty".