120312011331983 has 4 divisors (see below), whose sum is σ = 122006546702928. Its totient is φ = 118617475961040.

The previous prime is 120312011331949. The next prime is 120312011331997. The reversal of 120312011331983 is 389133110213021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120312011331983 - 2¹⁴ = 120312011315599 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 (120312011391983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847267685366 + ... + 847267685507.

It is an arithmetic number, because the mean of its divisors is an integer number (30501636675732).

Almost surely, 2^{120312011331983} is an apocalyptic number.

120312011331983 is a deficient number, since it is larger than the sum of its proper divisors (1694535370945).

120312011331983 is an equidigital number, since it uses as much as digits as its factorization.

120312011331983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694535370944.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 120312011331983 in words is "one hundred twenty trillion, three hundred twelve billion, eleven million, three hundred thirty-one thousand, nine hundred eighty-three".