12786222426918 has 16 divisors (see below), whose sum is σ = 25592010626880. Its totient is φ = 4258813180136.

The previous prime is 12786222426917. The next prime is 12786222426931. The reversal of 12786222426918 is 81962422268721.

It is a happy number.

12786222426918 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 (12786222426911) 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, 815232048 + ... + 815247731.

It is an arithmetic number, because the mean of its divisors is an integer number (1599500664180).

Almost surely, 2^{12786222426918} is an apocalyptic number.

12786222426918 is an abundant number, since it is smaller than the sum of its proper divisors (12805788199962).

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

12786222426918 is a wasteful number, since it uses less digits than its factorization.

12786222426918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630481091.

The product of its digits is 18579456, while the sum is 60.

The spelling of 12786222426918 in words is "twelve trillion, seven hundred eighty-six billion, two hundred twenty-two million, four hundred twenty-six thousand, nine hundred eighteen".