12312403234422 has 16 divisors (see below), whose sum is σ = 24760855125552. Its totient is φ = 4081459635360.

The previous prime is 12312403234409. The next prime is 12312403234423. The reversal of 12312403234422 is 22443230421321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312403234423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668692853 + ... + 5668695024.

It is an arithmetic number, because the mean of its divisors is an integer number (1547553445347).

Almost surely, 2^{12312403234422} is an apocalyptic number.

12312403234422 is an abundant number, since it is smaller than the sum of its proper divisors (12448451891130).

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

12312403234422 is a wasteful number, since it uses less digits than its factorization.

12312403234422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337388063.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 12312403234422 its reverse (22443230421321), we get a palindrome (34755633655743).

The spelling of 12312403234422 in words is "twelve trillion, three hundred twelve billion, four hundred three million, two hundred thirty-four thousand, four hundred twenty-two".