12316377636 has 72 divisors (see below), whose sum is σ = 32178916224. Its totient is φ = 3969652800.

The previous prime is 12316377607. The next prime is 12316377713. The reversal of 12316377636 is 63677361321.

It is a happy number.

12316377636 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 6 + 3 + 7 + 7 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12316377591 and 12316377600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96586 + ... + 184286.

It is an arithmetic number, because the mean of its divisors is an integer number (446929392).

Almost surely, 2^12316377636 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 12316377636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16089458112).

12316377636 is an abundant number, since it is smaller than the sum of its proper divisors (19862538588).

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

12316377636 is a wasteful number, since it uses less digits than its factorization.

12316377636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87841 (or 87836 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The spelling of 12316377636 in words is "twelve billion, three hundred sixteen million, three hundred seventy-seven thousand, six hundred thirty-six".