12312222030123 has 4 divisors (see below), whose sum is σ = 16416296040168. Its totient is φ = 8208148020080.

The previous prime is 12312222030113. The next prime is 12312222030133. The reversal of 12312222030123 is 32103022221321.

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

It is an interprime number because it is at equal distance from previous prime (12312222030113) and next prime (12312222030133).

It is a cyclic number.

It is not a de Polignac number, because 12312222030123 - 2⁸ = 12312222029867 is a prime.

It is a super-2 number, since 2×12312222030123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12312222030093 and 12312222030102.

It is not an unprimeable number, because it can be changed into a prime (12312222030113) 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, 2052037005018 + ... + 2052037005023.

It is an arithmetic number, because the mean of its divisors is an integer number (4104074010042).

Almost surely, 2^{12312222030123} is an apocalyptic number.

12312222030123 is a deficient number, since it is larger than the sum of its proper divisors (4104074010045).

12312222030123 is an equidigital number, since it uses as much as digits as its factorization.

12312222030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104074010044.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12312222030123 its reverse (32103022221321), we get a palindrome (44415244251444).

The spelling of 12312222030123 in words is "twelve trillion, three hundred twelve billion, two hundred twenty-two million, thirty thousand, one hundred twenty-three".