10012012013 has 4 divisors (see below), whose sum is σ = 10124506620. Its totient is φ = 9899517408.

The previous prime is 10012011983. The next prime is 10012012037. The reversal of 10012012013 is 31021021001.

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 3380027044 + 6631984969 = 58138^2 + 81437^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012012013 - 2¹² = 10012007917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012011985 and 10012012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012012093) 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, 56247170 + ... + 56247347.

It is an arithmetic number, because the mean of its divisors is an integer number (2531126655).

Almost surely, 2^10012012013 is an apocalyptic number.

It is an amenable number.

10012012013 is a deficient number, since it is larger than the sum of its proper divisors (112494607).

10012012013 is an equidigital number, since it uses as much as digits as its factorization.

10012012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112494606.

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

Adding to 10012012013 its reverse (31021021001), we get a palindrome (41033033014).

The spelling of 10012012013 in words is "ten billion, twelve million, twelve thousand, thirteen".