100012312013 has 4 divisors (see below), whose sum is σ = 100019026140. Its totient is φ = 100005597888.

The previous prime is 100012311991. The next prime is 100012312019. The reversal of 100012312013 is 310213210001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93182446564 + 6829865449 = 305258^2 + 82643^2 .

It is a cyclic number.

It is not a de Polignac number, because 100012312013 - 2²⁴ = 99995534797 is a prime.

It is a super-2 number, since 2×100012312013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012312019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3334670 + ... + 3364527.

It is an arithmetic number, because the mean of its divisors is an integer number (25004756535).

Almost surely, 2^100012312013 is an apocalyptic number.

It is an amenable number.

100012312013 is a deficient number, since it is larger than the sum of its proper divisors (6714127).

100012312013 is an equidigital number, since it uses as much as digits as its factorization.

100012312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714126.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100012312013 its reverse (310213210001), we get a palindrome (410225522014).

The spelling of 100012312013 in words is "one hundred billion, twelve million, three hundred twelve thousand, thirteen".