2012435323123 has 16 divisors (see below), whose sum is σ = 2207565895680. Its totient is φ = 1826026868736.

The previous prime is 2012435323111. The next prime is 2012435323141. The reversal of 2012435323123 is 3213235342102.

It is a cyclic number.

It is not a de Polignac number, because 2012435323123 - 2⁵ = 2012435323091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012435323193) 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, 2700915 + ... + 3364492.

It is an arithmetic number, because the mean of its divisors is an integer number (137972868480).

Almost surely, 2^{2012435323123} is an apocalyptic number.

2012435323123 is a deficient number, since it is larger than the sum of its proper divisors (195130572557).

2012435323123 is a wasteful number, since it uses less digits than its factorization.

2012435323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066126.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 2012435323123 in words is "two trillion, twelve billion, four hundred thirty-five million, three hundred twenty-three thousand, one hundred twenty-three".