2112010199965 has 8 divisors (see below), whose sum is σ = 2562888782520. Its totient is φ = 1670623798272.

The previous prime is 2112010199939. The next prime is 2112010199969. The reversal of 2112010199965 is 5699910102112.

It can be written as a sum of positive squares in 4 ways, for example, as 541194164281 + 1570816035684 = 735659^2 + 1253322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112010199965 - 2⁷ = 2112010199837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112010199969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373044724 + ... + 2373045613.

It is an arithmetic number, because the mean of its divisors is an integer number (320361097815).

Almost surely, 2^{2112010199965} is an apocalyptic number.

It is an amenable number.

2112010199965 is a deficient number, since it is larger than the sum of its proper divisors (450878582555).

2112010199965 is an equidigital number, since it uses as much as digits as its factorization.

2112010199965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746090431.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 2112010199965 in words is "two trillion, one hundred twelve billion, ten million, one hundred ninety-nine thousand, nine hundred sixty-five".