2012402312105 has 16 divisors (see below), whose sum is σ = 2427517828224. Its totient is φ = 1601499325440.

The previous prime is 2012402312101. The next prime is 2012402312117. The reversal of 2012402312105 is 5012132042102.

It is not a de Polignac number, because 2012402312105 - 2² = 2012402312101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012402312101) 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, 25423940 + ... + 25502970.

It is an arithmetic number, because the mean of its divisors is an integer number (151719864264).

Almost surely, 2^{2012402312105} is an apocalyptic number.

It is an amenable number.

2012402312105 is a deficient number, since it is larger than the sum of its proper divisors (415115516119).

2012402312105 is a wasteful number, since it uses less digits than its factorization.

2012402312105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105616.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 2012402312105 its reverse (5012132042102), we get a palindrome (7024534354207).

The spelling of 2012402312105 in words is "two trillion, twelve billion, four hundred two million, three hundred twelve thousand, one hundred five".