2012453004521 has 16 divisors (see below), whose sum is σ = 2078879324160. Its totient is φ = 1947246894720.

The previous prime is 2012453004487. The next prime is 2012453004533. The reversal of 2012453004521 is 1254003542102.

It is a cyclic number.

It is not a de Polignac number, because 2012453004521 - 2²² = 2012448810217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012453004421) 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 15 ways as a sum of consecutive naturals, for example, 1115510 + ... + 2295488.

It is an arithmetic number, because the mean of its divisors is an integer number (129929957760).

Almost surely, 2^{2012453004521} is an apocalyptic number.

It is an amenable number.

2012453004521 is a deficient number, since it is larger than the sum of its proper divisors (66426319639).

2012453004521 is a wasteful number, since it uses less digits than its factorization.

2012453004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180496.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2012453004521 its reverse (1254003542102), we get a palindrome (3266456546623).

The spelling of 2012453004521 in words is "two trillion, twelve billion, four hundred fifty-three million, four thousand, five hundred twenty-one".