2012100313 has 4 divisors (see below), whose sum is σ = 2012982400. Its totient is φ = 2011218228.

The previous prime is 2012100289. The next prime is 2012100347. The reversal of 2012100313 is 3130012102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012100313 - 2¹⁷ = 2011969241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012100293 and 2012100302.

It is not an unprimeable number, because it can be changed into a prime (2012100113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437613 + ... + 442186.

It is an arithmetic number, because the mean of its divisors is an integer number (503245600).

Almost surely, 2^2012100313 is an apocalyptic number.

It is an amenable number.

2012100313 is a deficient number, since it is larger than the sum of its proper divisors (882087).

2012100313 is an equidigital number, since it uses as much as digits as its factorization.

2012100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882086.

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

The square root of 2012100313 is about 44856.4411539748. The cubic root of 2012100313 is about 1262.4568492653.

Adding to 2012100313 its reverse (3130012102), we get a palindrome (5142112415).

The spelling of 2012100313 in words is "two billion, twelve million, one hundred thousand, three hundred thirteen".