142212432231 has 6 divisors (see below), whose sum is σ = 205417957680. Its totient is φ = 94808288148.

The previous prime is 142212432227. The next prime is 142212432251. The reversal of 142212432231 is 132234212241.

142212432231 is a `hidden beast` number, since 1 + 4 + 221 + 2 + 432 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 142212432231 - 2² = 142212432227 is a prime.

It is a super-2 number, since 2×142212432231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142212432195 and 142212432204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142212432211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7900690671 + ... + 7900690688.

It is an arithmetic number, because the mean of its divisors is an integer number (34236326280).

Almost surely, 2^142212432231 is an apocalyptic number.

142212432231 is a deficient number, since it is larger than the sum of its proper divisors (63205525449).

142212432231 is a wasteful number, since it uses less digits than its factorization.

142212432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15801381365 (or 15801381362 counting only the distinct ones).

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

Adding to 142212432231 its reverse (132234212241), we get a palindrome (274446644472).

The spelling of 142212432231 in words is "one hundred forty-two billion, two hundred twelve million, four hundred thirty-two thousand, two hundred thirty-one".