12222431342 has 8 divisors (see below), whose sum is σ = 20000342232. Its totient is φ = 5555650600.

The previous prime is 12222431341. The next prime is 12222431363. The reversal of 12222431342 is 24313422221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222431341) 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, 277782509 + ... + 277782552.

It is an arithmetic number, because the mean of its divisors is an integer number (2500042779).

Almost surely, 2^12222431342 is an apocalyptic number.

12222431342 is a deficient number, since it is larger than the sum of its proper divisors (7777910890).

12222431342 is a wasteful number, since it uses less digits than its factorization.

12222431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555565074.

The product of its digits is 4608, while the sum is 26.

Adding to 12222431342 its reverse (24313422221), we get a palindrome (36535853563).

The spelling of 12222431342 in words is "twelve billion, two hundred twenty-two million, four hundred thirty-one thousand, three hundred forty-two".