142332122121 has 16 divisors (see below), whose sum is σ = 216898099200. Its totient is φ = 81328495248.

The previous prime is 142332122071. The next prime is 142332122147. The reversal of 142332122121 is 121221233241.

It is not a de Polignac number, because 142332122121 - 2⁶ = 142332122057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142332122091 and 142332122100.

It is not an unprimeable number, because it can be changed into a prime (142332122161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276150 + ... + 600768.

It is an arithmetic number, because the mean of its divisors is an integer number (13556131200).

Almost surely, 2^142332122121 is an apocalyptic number.

It is an amenable number.

142332122121 is a deficient number, since it is larger than the sum of its proper divisors (74565977079).

142332122121 is a wasteful number, since it uses less digits than its factorization.

142332122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345508.

The product of its digits is 1152, while the sum is 24.

Adding to 142332122121 its reverse (121221233241), we get a palindrome (263553355362).

The spelling of 142332122121 in words is "one hundred forty-two billion, three hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".