12312310422 has 32 divisors (see below), whose sum is σ = 26031957120. Its totient is φ = 3871402560.

The previous prime is 12312310421. The next prime is 12312310427. The reversal of 12312310422 is 22401321321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312310421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205204 + ... + 258327.

It is an arithmetic number, because the mean of its divisors is an integer number (813498660).

Almost surely, 2^12312310422 is an apocalyptic number.

12312310422 is an abundant number, since it is smaller than the sum of its proper divisors (13719646698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12312310422 is a wasteful number, since it uses less digits than its factorization.

12312310422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463788.

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

Adding to 12312310422 its reverse (22401321321), we get a palindrome (34713631743).

The spelling of 12312310422 in words is "twelve billion, three hundred twelve million, three hundred ten thousand, four hundred twenty-two".