12231018632 has 16 divisors (see below), whose sum is σ = 26209325760. Its totient is φ = 5241865104.

The previous prime is 12231018593. The next prime is 12231018649. The reversal of 12231018632 is 23681013221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12231018595 and 12231018604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109205468 + ... + 109205579.

It is an arithmetic number, because the mean of its divisors is an integer number (1638082860).

Almost surely, 2^12231018632 is an apocalyptic number.

It is an amenable number.

12231018632 is an abundant number, since it is smaller than the sum of its proper divisors (13978307128).

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

12231018632 is a wasteful number, since it uses less digits than its factorization.

12231018632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218411060 (or 218411056 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 12231018632 in words is "twelve billion, two hundred thirty-one million, eighteen thousand, six hundred thirty-two".