142321121830272 has 1024 divisors, whose sum is σ = 501550940160000. Its totient is φ = 34928468213760.

The previous prime is 142321121830259. The next prime is 142321121830297. The reversal of 142321121830272 is 272038121123241.

It is a self number, because there is not a number n which added to its sum of digits gives 142321121830272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27802521729 + ... + 27802526847.

It is an arithmetic number, because the mean of its divisors is an integer number (489795840000).

Almost surely, 2^{142321121830272} is an apocalyptic number.

142321121830272 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 142321121830272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250775470080000).

142321121830272 is an abundant number, since it is smaller than the sum of its proper divisors (359229818329728).

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

142321121830272 is a wasteful number, since it uses less digits than its factorization.

142321121830272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 142321121830272 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred twenty-one million, eight hundred thirty thousand, two hundred seventy-two".