12310012100 has 36 divisors (see below), whose sum is σ = 26747993748. Its totient is φ = 4917504000.

The previous prime is 12310012081. The next prime is 12310012151. The reversal of 12310012100 is 121001321.

It can be written as a sum of positive squares in 6 ways, for example, as 3096699904 + 9213312196 = 55648^2 + 95986^2 .

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, 4781 + ... + 156980.

Almost surely, 2^12310012100 is an apocalyptic number.

12310012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310012100 is an abundant number, since it is smaller than the sum of its proper divisors (14437981648).

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

12310012100 is a wasteful number, since it uses less digits than its factorization.

12310012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162536 (or 162529 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12310012100 its reverse (121001321), we get a palindrome (12431013421).

The spelling of 12310012100 in words is "twelve billion, three hundred ten million, twelve thousand, one hundred".