12002020013 has 2 divisors, whose sum is σ = 12002020014. Its totient is φ = 12002020012.

The previous prime is 12002020007. The next prime is 12002020039. The reversal of 12002020013 is 31002020021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6977762089 + 5024257924 = 83533^2 + 70882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002020013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002019976 and 12002020003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002020913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001010006 + 6001010007.

It is an arithmetic number, because the mean of its divisors is an integer number (6001010007).

Almost surely, 2^12002020013 is an apocalyptic number.

It is an amenable number.

12002020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002020013 is an equidigital number, since it uses as much as digits as its factorization.

12002020013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12002020013 its reverse (31002020021), we get a palindrome (43004040034).

The spelling of 12002020013 in words is "twelve billion, two million, twenty thousand, thirteen".