12303013013 has 4 divisors (see below), whose sum is σ = 12535145388. Its totient is φ = 12070880640.

The previous prime is 12303012991. The next prime is 12303013061. The reversal of 12303013013 is 31031030321.

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 8601264049 + 3701748964 = 92743^2 + 60842^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303013013 - 2⁶ = 12303012949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303012982 and 12303013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303016013) 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, 116066108 + ... + 116066213.

It is an arithmetic number, because the mean of its divisors is an integer number (3133786347).

Almost surely, 2^12303013013 is an apocalyptic number.

It is an amenable number.

12303013013 is a deficient number, since it is larger than the sum of its proper divisors (232132375).

12303013013 is an equidigital number, since it uses as much as digits as its factorization.

12303013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232132374.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12303013013 its reverse (31031030321), we get a palindrome (43334043334).

The spelling of 12303013013 in words is "twelve billion, three hundred three million, thirteen thousand, thirteen".