12787369122 has 32 divisors (see below), whose sum is σ = 28357095744. Its totient is φ = 3811435200.

The previous prime is 12787369121. The next prime is 12787369129. The reversal of 12787369122 is 22196378721.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12787369121) 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, 1584073 + ... + 1592124.

It is an arithmetic number, because the mean of its divisors is an integer number (886159242).

Almost surely, 2^12787369122 is an apocalyptic number.

12787369122 is an abundant number, since it is smaller than the sum of its proper divisors (15569726622).

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

12787369122 is a wasteful number, since it uses less digits than its factorization.

12787369122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176274.

The product of its digits is 508032, while the sum is 48.

The spelling of 12787369122 in words is "twelve billion, seven hundred eighty-seven million, three hundred sixty-nine thousand, one hundred twenty-two".