2012109357312 has 108 divisors (see below), whose sum is σ = 5857732351744. Its totient is φ = 664191360000.

The previous prime is 2012109357301. The next prime is 2012109357331. The reversal of 2012109357312 is 2137539012102.

It is a happy number.

2012109357312 is a `hidden beast` number, since 201 + 2 + 1 + 0 + 93 + 57 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4002064 + ... + 4476687.

Almost surely, 2^{2012109357312} is an apocalyptic number.

It is an amenable number.

2012109357312 is an abundant number, since it is smaller than the sum of its proper divisors (3845622994432).

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

2012109357312 is a wasteful number, since it uses less digits than its factorization.

2012109357312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478876 (or 8478859 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 2012109357312 in words is "two trillion, twelve billion, one hundred nine million, three hundred fifty-seven thousand, three hundred twelve".