2012051021567 has 8 divisors (see below), whose sum is σ = 2039576125440. Its totient is φ = 1984577320440.

The previous prime is 2012051021549. The next prime is 2012051021581. The reversal of 2012051021567 is 7651201502102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012051021567 - 2²⁴ = 2012034244351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012051021507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12771863 + ... + 12928440.

It is an arithmetic number, because the mean of its divisors is an integer number (254947015680).

Almost surely, 2^{2012051021567} is an apocalyptic number.

2012051021567 is a deficient number, since it is larger than the sum of its proper divisors (27525103873).

2012051021567 is an equidigital number, since it uses as much as digits as its factorization.

2012051021567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701373.

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 2012051021567 its reverse (7651201502102), we get a palindrome (9663252523669).

The spelling of 2012051021567 in words is "two trillion, twelve billion, fifty-one million, twenty-one thousand, five hundred sixty-seven".