12013610500 has 24 divisors (see below), whose sum is σ = 26237726424. Its totient is φ = 4805444000.

The previous prime is 12013610467. The next prime is 12013610509. The reversal of 12013610500 is 501631021.

It can be written as a sum of positive squares in 4 ways, for example, as 1778646276 + 10234964224 = 42174^2 + 101168^2 .

It is not an unprimeable number, because it can be changed into a prime (12013610509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12013111 + ... + 12014110.

It is an arithmetic number, because the mean of its divisors is an integer number (1093238601).

Almost surely, 2^12013610500 is an apocalyptic number.

12013610500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013610500 is an abundant number, since it is smaller than the sum of its proper divisors (14224115924).

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

12013610500 is a wasteful number, since it uses less digits than its factorization.

12013610500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24027240 (or 24027228 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 12013610500 in words is "twelve billion, thirteen million, six hundred ten thousand, five hundred".