12322212142 has 16 divisors (see below), whose sum is σ = 19298069280. Its totient is φ = 5889831552.

The previous prime is 12322212113. The next prime is 12322212167. The reversal of 12322212142 is 24121222321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4234 + ... + 157042.

It is an arithmetic number, because the mean of its divisors is an integer number (1206129330).

Almost surely, 2^12322212142 is an apocalyptic number.

12322212142 is a deficient number, since it is larger than the sum of its proper divisors (6975857138).

12322212142 is a wasteful number, since it uses less digits than its factorization.

12322212142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154587.

The product of its digits is 768, while the sum is 22.

Adding to 12322212142 its reverse (24121222321), we get a palindrome (36443434463).

The spelling of 12322212142 in words is "twelve billion, three hundred twenty-two million, two hundred twelve thousand, one hundred forty-two".