123142042222 has 16 divisors (see below), whose sum is σ = 194321170800. Its totient is φ = 58440289600.

The previous prime is 123142042213. The next prime is 123142042237. The reversal of 123142042222 is 222240241321.

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, 17989279 + ... + 17996122.

It is an arithmetic number, because the mean of its divisors is an integer number (12145073175).

Almost surely, 2^123142042222 is an apocalyptic number.

123142042222 is a deficient number, since it is larger than the sum of its proper divisors (71179128578).

123142042222 is a wasteful number, since it uses less digits than its factorization.

123142042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35985491.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 123142042222 its reverse (222240241321), we get a palindrome (345382283543).

The spelling of 123142042222 in words is "one hundred twenty-three billion, one hundred forty-two million, forty-two thousand, two hundred twenty-two".