12002020220023 has 4 divisors (see below), whose sum is σ = 12002035821048. Its totient is φ = 12002004619000.

The previous prime is 12002020219993. The next prime is 12002020220039. The reversal of 12002020220023 is 32002202020021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002020220023 - 2²⁹ = 12001483349111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002020219979 and 12002020220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002020224023) 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, 6583228 + ... + 8206273.

It is an arithmetic number, because the mean of its divisors is an integer number (3000508955262).

Almost surely, 2^{12002020220023} is an apocalyptic number.

12002020220023 is a deficient number, since it is larger than the sum of its proper divisors (15601025).

12002020220023 is an equidigital number, since it uses as much as digits as its factorization.

12002020220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601024.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12002020220023 its reverse (32002202020021), we get a palindrome (44004222240044).

The spelling of 12002020220023 in words is "twelve trillion, two billion, twenty million, two hundred twenty thousand, twenty-three".