112020199965 has 32 divisors (see below), whose sum is σ = 199717728000. Its totient is φ = 59572895040.

The previous prime is 112020199937. The next prime is 112020199969. The reversal of 112020199965 is 569991020211.

It is not a de Polignac number, because 112020199965 - 2⁵ = 112020199933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112020199965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020199969) 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, 1141681 + ... + 1235910.

It is an arithmetic number, because the mean of its divisors is an integer number (6241179000).

Almost surely, 2^112020199965 is an apocalyptic number.

112020199965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112020199965 is a deficient number, since it is larger than the sum of its proper divisors (87697528035).

112020199965 is a wasteful number, since it uses less digits than its factorization.

112020199965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377954 (or 2377948 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 112020199965 in words is "one hundred twelve billion, twenty million, one hundred ninety-nine thousand, nine hundred sixty-five".