12421433204 has 6 divisors (see below), whose sum is σ = 21737508114. Its totient is φ = 6210716600.

The previous prime is 12421433191. The next prime is 12421433249. The reversal of 12421433204 is 40233412421.

It can be written as a sum of positive squares in only one way, i.e., 7194432400 + 5227000804 = 84820^2 + 72298^2 .

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, 1552679147 + ... + 1552679154.

It is an arithmetic number, because the mean of its divisors is an integer number (3622918019).

Almost surely, 2^12421433204 is an apocalyptic number.

It is an amenable number.

12421433204 is a deficient number, since it is larger than the sum of its proper divisors (9316074910).

12421433204 is a wasteful number, since it uses less digits than its factorization.

12421433204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105358305 (or 3105358303 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12421433204 its reverse (40233412421), we get a palindrome (52654845625).

The spelling of 12421433204 in words is "twelve billion, four hundred twenty-one million, four hundred thirty-three thousand, two hundred four".