120421634011500 has 96 divisors (see below), whose sum is σ = 350807908179456. Its totient is φ = 32099605156800.

The previous prime is 120421634011487. The next prime is 120421634011507. The reversal of 120421634011500 is 5110436124021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (120421634011507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12282474 + ... + 19791473.

It is an arithmetic number, because the mean of its divisors is an integer number (3654249043536).

Almost surely, 2^{120421634011500} is an apocalyptic number.

120421634011500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120421634011500 is an abundant number, since it is smaller than the sum of its proper divisors (230386274167956).

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

120421634011500 is a wasteful number, since it uses less digits than its factorization.

120421634011500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076472 (or 32076460 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 120421634011500 in words is "one hundred twenty trillion, four hundred twenty-one billion, six hundred thirty-four million, eleven thousand, five hundred".