612134841483878 has 16 divisors (see below), whose sum is σ = 958124626374240. Its totient is φ = 292759980655296.

The previous prime is 612134841483877. The next prime is 612134841483883. The reversal of 612134841483878 is 878384148431216.

612134841483878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612134841483877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154193258 + ... + 158113346.

It is an arithmetic number, because the mean of its divisors is an integer number (59882789148390).

Almost surely, 2^{612134841483878} is an apocalyptic number.

612134841483878 is a deficient number, since it is larger than the sum of its proper divisors (345989784890362).

612134841483878 is a wasteful number, since it uses less digits than its factorization.

612134841483878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314751.

The product of its digits is 198180864, while the sum is 68.

The spelling of 612134841483878 in words is "six hundred twelve trillion, one hundred thirty-four billion, eight hundred forty-one million, four hundred eighty-three thousand, eight hundred seventy-eight".