2112126004523 has 16 divisors (see below), whose sum is σ = 2183378101632. Its totient is φ = 2041823616000.

The previous prime is 2112126004493. The next prime is 2112126004537. The reversal of 2112126004523 is 3254006212112.

It is not a de Polignac number, because 2112126004523 - 2⁸ = 2112126004267 is a prime.

It is a super-2 number, since 2×2112126004523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112126004823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17643038 + ... + 17762348.

It is an arithmetic number, because the mean of its divisors is an integer number (136461131352).

Almost surely, 2^{2112126004523} is an apocalyptic number.

2112126004523 is a deficient number, since it is larger than the sum of its proper divisors (71252097109).

2112126004523 is a wasteful number, since it uses less digits than its factorization.

2112126004523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123286.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 2112126004523 in words is "two trillion, one hundred twelve billion, one hundred twenty-six million, four thousand, five hundred twenty-three".