12631223600 has 120 divisors (see below), whose sum is σ = 30805247088. Its totient is φ = 4976640000.

The previous prime is 12631223587. The next prime is 12631223659. The reversal of 12631223600 is 632213621.

It is a self number, because there is not a number n which added to its sum of digits gives 12631223600.

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, 9738152 + ... + 9739448.

Almost surely, 2^12631223600 is an apocalyptic number.

12631223600 is a gapful number since it is divisible by the number (10) 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 12631223600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15402623544).

12631223600 is an abundant number, since it is smaller than the sum of its proper divisors (18174023488).

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

12631223600 is a wasteful number, since it uses less digits than its factorization.

12631223600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 12631223600 in words is "twelve billion, six hundred thirty-one million, two hundred twenty-three thousand, six hundred".