142162212122 has 32 divisors (see below), whose sum is σ = 258231691008. Its totient is φ = 57300662016.

The previous prime is 142162212109. The next prime is 142162212161. The reversal of 142162212122 is 221212261241.

It is a junction number, because it is equal to n+sod(n) for n = 142162212091 and 142162212100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106868 + ... + 543824.

It is an arithmetic number, because the mean of its divisors is an integer number (8069740344).

Almost surely, 2^142162212122 is an apocalyptic number.

142162212122 is a deficient number, since it is larger than the sum of its proper divisors (116069478886).

142162212122 is a wasteful number, since it uses less digits than its factorization.

142162212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438350.

The product of its digits is 1536, while the sum is 26.

Adding to 142162212122 its reverse (221212261241), we get a palindrome (363374473363).

The spelling of 142162212122 in words is "one hundred forty-two billion, one hundred sixty-two million, two hundred twelve thousand, one hundred twenty-two".