12210020013 has 4 divisors (see below), whose sum is σ = 16280026688. Its totient is φ = 8140013340.

The previous prime is 12210019999. The next prime is 12210020071. The reversal of 12210020013 is 31002001221.

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 not a de Polignac number, because 12210020013 - 2⁵ = 12210019981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210020113) 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, 2035003333 + ... + 2035003338.

It is an arithmetic number, because the mean of its divisors is an integer number (4070006672).

Almost surely, 2^12210020013 is an apocalyptic number.

It is an amenable number.

12210020013 is a deficient number, since it is larger than the sum of its proper divisors (4070006675).

12210020013 is an equidigital number, since it uses as much as digits as its factorization.

12210020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070006674.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12210020013 its reverse (31002001221), we get a palindrome (43212021234).

The spelling of 12210020013 in words is "twelve billion, two hundred ten million, twenty thousand, thirteen".