120442645512421 has 8 divisors (see below), whose sum is σ = 120768586092000. Its totient is φ = 120117043224048.

The previous prime is 120442645512391. The next prime is 120442645512439. The reversal of 120442645512421 is 124215546244021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120442645512421 - 2²⁵ = 120442611957989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442645512521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83859766 + ... + 85283911.

It is an arithmetic number, because the mean of its divisors is an integer number (15096073261500).

Almost surely, 2^{120442645512421} is an apocalyptic number.

It is an amenable number.

120442645512421 is a deficient number, since it is larger than the sum of its proper divisors (325940579579).

120442645512421 is a wasteful number, since it uses less digits than its factorization.

120442645512421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169145603.

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 120442645512421 in words is "one hundred twenty trillion, four hundred forty-two billion, six hundred forty-five million, five hundred twelve thousand, four hundred twenty-one".