12421243041232 has 40 divisors (see below), whose sum is σ = 24195705964992. Its totient is φ = 6177279168000.

The previous prime is 12421243041203. The next prime is 12421243041257. The reversal of 12421243041232 is 23214034212421.

12421243041232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12421243041194 and 12421243041203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563244 + ... + 5015947.

Almost surely, 2^{12421243041232} is an apocalyptic number.

It is an amenable number.

12421243041232 is a deficient number, since it is larger than the sum of its proper divisors (11774462923760).

12421243041232 is a wasteful number, since it uses less digits than its factorization.

12421243041232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579947 (or 5579941 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12421243041232 its reverse (23214034212421), we get a palindrome (35635277253653).

The spelling of 12421243041232 in words is "twelve trillion, four hundred twenty-one billion, two hundred forty-three million, forty-one thousand, two hundred thirty-two".