12147794316 has 192 divisors, whose sum is σ = 36531855360. Its totient is φ = 3419288640.

The previous prime is 12147794299. The next prime is 12147794317. The reversal of 12147794316 is 61349774121.

It is a happy number.

12147794316 is a `hidden beast` number, since 1 + 2 + 147 + 79 + 431 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12147794317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21274311 + ... + 21274881.

It is an arithmetic number, because the mean of its divisors is an integer number (190270080).

Almost surely, 2^12147794316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12147794316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18265927680).

12147794316 is an abundant number, since it is smaller than the sum of its proper divisors (24384061044).

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

12147794316 is a wasteful number, since it uses less digits than its factorization.

12147794316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 953 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 12147794316 in words is "twelve billion, one hundred forty-seven million, seven hundred ninety-four thousand, three hundred sixteen".