12276060816 has 160 divisors (see below), whose sum is σ = 33986713600. Its totient is φ = 3807129600.

The previous prime is 12276060809. The next prime is 12276060821. The reversal of 12276060816 is 61806067221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13357605 + ... + 13358523.

It is an arithmetic number, because the mean of its divisors is an integer number (212416960).

Almost surely, 2^12276060816 is an apocalyptic number.

12276060816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12276060816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16993356800).

12276060816 is an abundant number, since it is smaller than the sum of its proper divisors (21710652784).

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

12276060816 is a wasteful number, since it uses less digits than its factorization.

12276060816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12276060816 in words is "twelve billion, two hundred seventy-six million, sixty thousand, eight hundred sixteen".