2012642159517 has 144 divisors (see below), whose sum is σ = 3317606195904. Its totient is φ = 1173941683200.

The previous prime is 2012642159503. The next prime is 2012642159537. The reversal of 2012642159517 is 7159512462102.

2012642159517 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 6 + 42 + 1 + 595 + 17 = 666.

2012642159517 is an astonishing number since 2012642159517 = 159517 + ... + 2012642.

It is not a de Polignac number, because 2012642159517 - 2⁴ = 2012642159501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012642159537) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3130080798 + ... + 3130081440.

It is an arithmetic number, because the mean of its divisors is an integer number (23038931916).

Almost surely, 2^{2012642159517} is an apocalyptic number.

It is an amenable number.

2012642159517 is a deficient number, since it is larger than the sum of its proper divisors (1304964036387).

2012642159517 is a wasteful number, since it uses less digits than its factorization.

2012642159517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 2012642159517 in words is "two trillion, twelve billion, six hundred forty-two million, one hundred fifty-nine thousand, five hundred seventeen".