222123131204 has 24 divisors (see below), whose sum is σ = 440649128640. Its totient is φ = 97122664224.

The previous prime is 222123131203. The next prime is 222123131213. The reversal of 222123131204 is 402131321222.

It is a self number, because there is not a number n which added to its sum of digits gives 222123131204.

It is not an unprimeable number, because it can be changed into a prime (222123131201) 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, 112409504 + ... + 112411479.

It is an arithmetic number, because the mean of its divisors is an integer number (18360380360).

Almost surely, 2^222123131204 is an apocalyptic number.

It is an amenable number.

222123131204 is a deficient number, since it is larger than the sum of its proper divisors (218525997436).

222123131204 is a wasteful number, since it uses less digits than its factorization.

222123131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224821019 (or 224821017 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222123131204 its reverse (402131321222), we get a palindrome (624254452426).

The spelling of 222123131204 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred four".