12002202312123 has 4 divisors (see below), whose sum is σ = 16002936416168. Its totient is φ = 8001468208080.

The previous prime is 12002202312091. The next prime is 12002202312157. The reversal of 12002202312123 is 32121320220021.

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

It is not a de Polignac number, because 12002202312123 - 2⁵ = 12002202312091 is a prime.

It is a super-2 number, since 2×12002202312123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002202312123.

It is not an unprimeable number, because it can be changed into a prime (12002202312173) 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, 2000367052018 + ... + 2000367052023.

It is an arithmetic number, because the mean of its divisors is an integer number (4000734104042).

Almost surely, 2^{12002202312123} is an apocalyptic number.

12002202312123 is a deficient number, since it is larger than the sum of its proper divisors (4000734104045).

12002202312123 is an equidigital number, since it uses as much as digits as its factorization.

12002202312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000734104044.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12002202312123 its reverse (32121320220021), we get a palindrome (44123522532144).

The spelling of 12002202312123 in words is "twelve trillion, two billion, two hundred two million, three hundred twelve thousand, one hundred twenty-three".