12260781676 has 72 divisors (see below), whose sum is σ = 25547526144. Its totient is φ = 5103483840.

The previous prime is 12260781661. The next prime is 12260781683. The reversal of 12260781676 is 67618706221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937881 + ... + 950863.

It is an arithmetic number, because the mean of its divisors is an integer number (354826752).

Almost surely, 2^12260781676 is an apocalyptic number.

It is an amenable number.

12260781676 is an abundant number, since it is smaller than the sum of its proper divisors (13286744468).

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

12260781676 is a wasteful number, since it uses less digits than its factorization.

12260781676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151 (or 13136 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 12260781676 in words is "twelve billion, two hundred sixty million, seven hundred eighty-one thousand, six hundred seventy-six".