2012100113923 has 2 divisors, whose sum is σ = 2012100113924. Its totient is φ = 2012100113922.

The previous prime is 2012100113917. The next prime is 2012100113939. The reversal of 2012100113923 is 3293110012102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012100113923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012100113963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006050056961 + 1006050056962.

It is an arithmetic number, because the mean of its divisors is an integer number (1006050056962).

Almost surely, 2^{2012100113923} is an apocalyptic number.

2012100113923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012100113923 is an equidigital number, since it uses as much as digits as its factorization.

2012100113923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 2012100113923 in words is "two trillion, twelve billion, one hundred million, one hundred thirteen thousand, nine hundred twenty-three".