2012155466512 has 40 divisors (see below), whose sum is σ = 4032722792000. Its totient is φ = 971844054912.

The previous prime is 2012155466473. The next prime is 2012155466513. The reversal of 2012155466512 is 2156645512102.

It is a super-2 number, since 2×2012155466512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012155466513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12144012 + ... + 12308587.

It is an arithmetic number, because the mean of its divisors is an integer number (100818069800).

Almost surely, 2^{2012155466512} is an apocalyptic number.

It is an amenable number.

2012155466512 is an abundant number, since it is smaller than the sum of its proper divisors (2020567325488).

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

2012155466512 is a wasteful number, since it uses less digits than its factorization.

2012155466512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24452783 (or 24452777 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 2012155466512 in words is "two trillion, twelve billion, one hundred fifty-five million, four hundred sixty-six thousand, five hundred twelve".