12231433652 has 12 divisors (see below), whose sum is σ = 21406011396. Its totient is φ = 6115430400.

The previous prime is 12231433631. The next prime is 12231433679. The reversal of 12231433652 is 25633413221.

It can be written as a sum of positive squares in 2 ways, for example, as 3909250576 + 8322183076 = 62524^2 + 91226^2 .

It is a congruent number.

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, 45902 + ... + 163002.

It is an arithmetic number, because the mean of its divisors is an integer number (1783834283).

Almost surely, 2^12231433652 is an apocalyptic number.

It is an amenable number.

12231433652 is a deficient number, since it is larger than the sum of its proper divisors (9174577744).

12231433652 is a wasteful number, since it uses less digits than its factorization.

12231433652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143218 (or 143216 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

Adding to 12231433652 its reverse (25633413221), we get a palindrome (37864846873).

The spelling of 12231433652 in words is "twelve billion, two hundred thirty-one million, four hundred thirty-three thousand, six hundred fifty-two".