12002020113 has 4 divisors (see below), whose sum is σ = 16002693488. Its totient is φ = 8001346740.

The previous prime is 12002020097. The next prime is 12002020123. The reversal of 12002020113 is 31102020021.

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 12002020113 - 2⁴ = 12002020097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12002020123) 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, 2000336683 + ... + 2000336688.

It is an arithmetic number, because the mean of its divisors is an integer number (4000673372).

Almost surely, 2^12002020113 is an apocalyptic number.

It is an amenable number.

12002020113 is a deficient number, since it is larger than the sum of its proper divisors (4000673375).

12002020113 is an equidigital number, since it uses as much as digits as its factorization.

12002020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000673374.

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

Adding to 12002020113 its reverse (31102020021), we get a palindrome (43104040134).

The spelling of 12002020113 in words is "twelve billion, two million, twenty thousand, one hundred thirteen".