2112512353665 has 16 divisors (see below), whose sum is σ = 3862879732608. Its totient is φ = 965719933056.

The previous prime is 2112512353607. The next prime is 2112512353667. The reversal of 2112512353665 is 5663532152112.

It is not a de Polignac number, because 2112512353665 - 2¹⁰ = 2112512352641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112512353667) 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, 10059582532 + ... + 10059582741.

It is an arithmetic number, because the mean of its divisors is an integer number (241429983288).

Almost surely, 2^{2112512353665} is an apocalyptic number.

It is an amenable number.

2112512353665 is a deficient number, since it is larger than the sum of its proper divisors (1750367378943).

2112512353665 is a wasteful number, since it uses less digits than its factorization.

2112512353665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20119165288.

The product of its digits is 324000, while the sum is 42.

The spelling of 2112512353665 in words is "two trillion, one hundred twelve billion, five hundred twelve million, three hundred fifty-three thousand, six hundred sixty-five".