142131122022 has 32 divisors (see below), whose sum is σ = 290971929600. Its totient is φ = 46263354048.

The previous prime is 142131122009. The next prime is 142131122051. The reversal of 142131122022 is 220221131241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142131122022.

It is a congruent number.

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, 450247 + ... + 697842.

It is an arithmetic number, because the mean of its divisors is an integer number (9092872800).

Almost surely, 2^142131122022 is an apocalyptic number.

142131122022 is an abundant number, since it is smaller than the sum of its proper divisors (148840807578).

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

142131122022 is a wasteful number, since it uses less digits than its factorization.

142131122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148580.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142131122022 its reverse (220221131241), we get a palindrome (362352253263).

The spelling of 142131122022 in words is "one hundred forty-two billion, one hundred thirty-one million, one hundred twenty-two thousand, twenty-two".