2012378771613 has 16 divisors (see below), whose sum is σ = 3149359829120. Its totient is φ = 1118851517376.

The previous prime is 2012378771587. The next prime is 2012378771617. The reversal of 2012378771613 is 3161778732102.

It is not a de Polignac number, because 2012378771613 - 2⁶ = 2012378771549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012378771617) 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, 1294966258 + ... + 1294967811.

It is an arithmetic number, because the mean of its divisors is an integer number (196834989320).

Almost surely, 2^{2012378771613} is an apocalyptic number.

It is an amenable number.

2012378771613 is a deficient number, since it is larger than the sum of its proper divisors (1136981057507).

2012378771613 is a wasteful number, since it uses less digits than its factorization.

2012378771613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589934116.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 2012378771613 in words is "two trillion, twelve billion, three hundred seventy-eight million, seven hundred seventy-one thousand, six hundred thirteen".