2112126004663 has 4 divisors (see below), whose sum is σ = 2137573306008. Its totient is φ = 2086678703320.

The previous prime is 2112126004657. The next prime is 2112126004699. The reversal of 2112126004663 is 3664006212112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112126004663 - 2⁵ = 2112126004631 is a prime.

It is a super-2 number, since 2×2112126004663² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112126004063) 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 3 ways as a sum of consecutive naturals, for example, 12723650548 + ... + 12723650713.

It is an arithmetic number, because the mean of its divisors is an integer number (534393326502).

Almost surely, 2^{2112126004663} is an apocalyptic number.

2112126004663 is a deficient number, since it is larger than the sum of its proper divisors (25447301345).

2112126004663 is an equidigital number, since it uses as much as digits as its factorization.

2112126004663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25447301344.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 2112126004663 in words is "two trillion, one hundred twelve billion, one hundred twenty-six million, four thousand, six hundred sixty-three".