2012550366564 has 36 divisors (see below), whose sum is σ = 5087339908560. Its totient is φ = 670842234480.

The previous prime is 2012550366517. The next prime is 2012550366569. The reversal of 2012550366564 is 4656630552102.

2012550366564 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 5 + 50 + 36 + 6 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2012550366569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3335179 + ... + 3892109.

It is an arithmetic number, because the mean of its divisors is an integer number (141314997460).

Almost surely, 2^{2012550366564} is an apocalyptic number.

It is an amenable number.

2012550366564 is an abundant number, since it is smaller than the sum of its proper divisors (3074789541996).

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

2012550366564 is a wasteful number, since it uses less digits than its factorization.

2012550366564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657320 (or 657315 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 2012550366564 in words is "two trillion, twelve billion, five hundred fifty million, three hundred sixty-six thousand, five hundred sixty-four".