122142323142 has 64 divisors (see below), whose sum is σ = 310446489600. Its totient is φ = 34870383360.

The previous prime is 122142323131. The next prime is 122142323159. The reversal of 122142323142 is 241323241221.

122142323142 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 423 + 231 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357142 + ... + 609782.

It is an arithmetic number, because the mean of its divisors is an integer number (4850726400).

Almost surely, 2^122142323142 is an apocalyptic number.

122142323142 is an abundant number, since it is smaller than the sum of its proper divisors (188304166458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122142323142 is a wasteful number, since it uses less digits than its factorization.

122142323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253938 (or 253932 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 122142323142 its reverse (241323241221), we get a palindrome (363465564363).

The spelling of 122142323142 in words is "one hundred twenty-two billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred forty-two".