13078213165242 has 48 divisors (see below), whose sum is σ = 28370604934152. Its totient is φ = 4354101095040.

The previous prime is 13078213165139. The next prime is 13078213165247. The reversal of 13078213165242 is 24256131287031.

13078213165242 is a `hidden beast` number, since 1 + 3 + 0 + 78 + 21 + 31 + 6 + 524 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7903357086681 + 5174856078561 = 2811291^2 + 2274831^2 .

It is not an unprimeable number, because it can be changed into a prime (13078213165247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292286992 + ... + 292331732.

Almost surely, 2^{13078213165242} is an apocalyptic number.

13078213165242 is an abundant number, since it is smaller than the sum of its proper divisors (15292391768910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13078213165242 is a wasteful number, since it uses less digits than its factorization.

13078213165242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64143 (or 64140 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 13078213165242 in words is "thirteen trillion, seventy-eight billion, two hundred thirteen million, one hundred sixty-five thousand, two hundred forty-two".