142021332120 has 64 divisors (see below), whose sum is σ = 426171456000. Its totient is φ = 37862803328.

The previous prime is 142021332091. The next prime is 142021332139. The reversal of 142021332120 is 21233120241.

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, 335041 + ... + 629519.

It is an arithmetic number, because the mean of its divisors is an integer number (6658929000).

Almost surely, 2^142021332120 is an apocalyptic number.

142021332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142021332120 is an abundant number, since it is smaller than the sum of its proper divisors (284150123880).

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

142021332120 is a wasteful number, since it uses less digits than its factorization.

142021332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298512 (or 298508 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 142021332120 its reverse (21233120241), we get a palindrome (163254452361).

The spelling of 142021332120 in words is "one hundred forty-two billion, twenty-one million, three hundred thirty-two thousand, one hundred twenty".