120443420310999 has 16 divisors (see below), whose sum is σ = 161052448166400. Its totient is φ = 80065006068960.

The previous prime is 120443420310959. The next prime is 120443420311021. The reversal of 120443420310999 is 999013024344021.

It is a happy number.

It is not a de Polignac number, because 120443420310999 - 2¹² = 120443420306903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120443420310959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213632094 + ... + 214195140.

It is an arithmetic number, because the mean of its divisors is an integer number (10065778010400).

Almost surely, 2^{120443420310999} is an apocalyptic number.

120443420310999 is a deficient number, since it is larger than the sum of its proper divisors (40609027855401).

120443420310999 is a wasteful number, since it uses less digits than its factorization.

120443420310999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767710.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 120443420310999 in words is "one hundred twenty trillion, four hundred forty-three billion, four hundred twenty million, three hundred ten thousand, nine hundred ninety-nine".