12331231422 has 32 divisors (see below), whose sum is σ = 25801542144. Its totient is φ = 3924830400.

The previous prime is 12331231417. The next prime is 12331231427. The reversal of 12331231422 is 22413213321.

It is an interprime number because it is at equal distance from previous prime (12331231417) and next prime (12331231427).

It is a junction number, because it is equal to n+sod(n) for n = 12331231392 and 12331231401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331231427) 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, 521704 + ... + 544827.

It is an arithmetic number, because the mean of its divisors is an integer number (806298192).

Almost surely, 2^12331231422 is an apocalyptic number.

12331231422 is an abundant number, since it is smaller than the sum of its proper divisors (13470310722).

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

12331231422 is a wasteful number, since it uses less digits than its factorization.

12331231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066624.

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

Adding to 12331231422 its reverse (22413213321), we get a palindrome (34744444743).

The spelling of 12331231422 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, four hundred twenty-two".