2012113113123 has 16 divisors (see below), whose sum is σ = 2713072212000. Its totient is φ = 1326282608640.

The previous prime is 2012113113103. The next prime is 2012113113151. The reversal of 2012113113123 is 3213113112102.

It is not a de Polignac number, because 2012113113123 - 2⁵ = 2012113113091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012113113123.

It is not an unprimeable number, because it can be changed into a prime (2012113113103) 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 in 15 ways as a sum of consecutive naturals, for example, 7028343 + ... + 7309023.

It is an arithmetic number, because the mean of its divisors is an integer number (169567013250).

Almost surely, 2^{2012113113123} is an apocalyptic number.

2012113113123 is a deficient number, since it is larger than the sum of its proper divisors (700959098877).

2012113113123 is a wasteful number, since it uses less digits than its factorization.

2012113113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307622.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2012113113123 its reverse (3213113112102), we get a palindrome (5225226225225).

The spelling of 2012113113123 in words is "two trillion, twelve billion, one hundred thirteen million, one hundred thirteen thousand, one hundred twenty-three".