120783983885712 has 160 divisors (see below), whose sum is σ = 396226990920960. Its totient is φ = 34509326607360.

The previous prime is 120783983885689. The next prime is 120783983885729. The reversal of 120783983885712 is 217588389387021.

120783983885712 is a `hidden beast` number, since 1 + 20 + 7 + 83 + 98 + 388 + 57 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380118262 + ... + 380435882.

It is an arithmetic number, because the mean of its divisors is an integer number (2476418693256).

Almost surely, 2^{120783983885712} is an apocalyptic number.

120783983885712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120783983885712 is an abundant number, since it is smaller than the sum of its proper divisors (275443007035248).

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

120783983885712 is a wasteful number, since it uses less digits than its factorization.

120783983885712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443398 (or 443386 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 72.

The spelling of 120783983885712 in words is "one hundred twenty trillion, seven hundred eighty-three billion, nine hundred eighty-three million, eight hundred eighty-five thousand, seven hundred twelve".