12162804836 has 96 divisors (see below), whose sum is σ = 27813284352. Its totient is φ = 4516300800.

The previous prime is 12162804821. The next prime is 12162804851. The reversal of 12162804836 is 63840826121.

It is an interprime number because it is at equal distance from previous prime (12162804821) and next prime (12162804851).

It is a junction number, because it is equal to n+sod(n) for n = 12162804793 and 12162804802.

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, 2454161 + ... + 2459111.

It is an arithmetic number, because the mean of its divisors is an integer number (289721712).

Almost surely, 2^12162804836 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 12162804836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13906642176).

12162804836 is an abundant number, since it is smaller than the sum of its proper divisors (15650479516).

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

12162804836 is a wasteful number, since it uses less digits than its factorization.

12162804836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5387 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 12162804836 in words is "twelve billion, one hundred sixty-two million, eight hundred four thousand, eight hundred thirty-six".