142221431512320 has 576 divisors, whose sum is σ = 468041798810880. Its totient is φ = 36792751620096.

The previous prime is 142221431512313. The next prime is 142221431512327. The reversal of 142221431512320 is 23215134122241.

It is an interprime number because it is at equal distance from previous prime (142221431512313) and next prime (142221431512327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142221431512327) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5328028894 + ... + 5328055586.

It is an arithmetic number, because the mean of its divisors is an integer number (812572567380).

Almost surely, 2^{142221431512320} is an apocalyptic number.

142221431512320 is a gapful number since it is divisible by the number (10) 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 142221431512320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234020899405440).

142221431512320 is an abundant number, since it is smaller than the sum of its proper divisors (325820367298560).

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

142221431512320 is a wasteful number, since it uses less digits than its factorization.

142221431512320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102 (or 27088 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 142221431512320 its reverse (23215134122241), we get a palindrome (165436565634561).

The spelling of 142221431512320 in words is "one hundred forty-two trillion, two hundred twenty-one billion, four hundred thirty-one million, five hundred twelve thousand, three hundred twenty".