12204243124 has 6 divisors (see below), whose sum is σ = 21357425474. Its totient is φ = 6102121560.

The previous prime is 12204243089. The next prime is 12204243131. The reversal of 12204243124 is 42134240221.

It can be written as a sum of positive squares in only one way, i.e., 8534064400 + 3670178724 = 92380^2 + 60582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525530387 + ... + 1525530394.

Almost surely, 2^12204243124 is an apocalyptic number.

It is an amenable number.

12204243124 is a deficient number, since it is larger than the sum of its proper divisors (9153182350).

12204243124 is a wasteful number, since it uses less digits than its factorization.

12204243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051060785 (or 3051060783 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12204243124 its reverse (42134240221), we get a palindrome (54338483345).

The spelling of 12204243124 in words is "twelve billion, two hundred four million, two hundred forty-three thousand, one hundred twenty-four".