142224322512 has 160 divisors (see below), whose sum is σ = 383246899200. Its totient is φ = 45414673920.

The previous prime is 142224322477. The next prime is 142224322529. The reversal of 142224322512 is 215223422241.

It is a self number, because there is not a number n which added to its sum of digits gives 142224322512.

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, 29159818 + ... + 29164694.

It is an arithmetic number, because the mean of its divisors is an integer number (2395293120).

Almost surely, 2^142224322512 is an apocalyptic number.

142224322512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142224322512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191623449600).

142224322512 is an abundant number, since it is smaller than the sum of its proper divisors (241022576688).

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

142224322512 is a wasteful number, since it uses less digits than its factorization.

142224322512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5195 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 142224322512 its reverse (215223422241), we get a palindrome (357447744753).

The spelling of 142224322512 in words is "one hundred forty-two billion, two hundred twenty-four million, three hundred twenty-two thousand, five hundred twelve".