142422323012420 has 48 divisors (see below), whose sum is σ = 326285380165248. Its totient is φ = 51788541096960.

The previous prime is 142422323012419. The next prime is 142422323012441. The reversal of 142422323012420 is 24210323224241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509552 + ... + 16885031.

It is an arithmetic number, because the mean of its divisors is an integer number (6797612086776).

Almost surely, 2^{142422323012420} is an apocalyptic number.

142422323012420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142422323012420 is an abundant number, since it is smaller than the sum of its proper divisors (183863057152828).

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

142422323012420 is a wasteful number, since it uses less digits than its factorization.

142422323012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431820 (or 17431818 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142422323012420 its reverse (24210323224241), we get a palindrome (166632646236661).

The spelling of 142422323012420 in words is "one hundred forty-two trillion, four hundred twenty-two billion, three hundred twenty-three million, twelve thousand, four hundred twenty".