12421404332 has 12 divisors (see below), whose sum is σ = 21738818976. Its totient is φ = 6210313200.

The previous prime is 12421404329. The next prime is 12421404341. The reversal of 12421404332 is 23340412421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18263 + ... + 158670.

It is an arithmetic number, because the mean of its divisors is an integer number (1811568248).

Almost surely, 2^12421404332 is an apocalyptic number.

It is an amenable number.

12421404332 is a deficient number, since it is larger than the sum of its proper divisors (9317414644).

12421404332 is a wasteful number, since it uses less digits than its factorization.

12421404332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194488 (or 194486 counting only the distinct ones).

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

Adding to 12421404332 its reverse (23340412421), we get a palindrome (35761816753).

The spelling of 12421404332 in words is "twelve billion, four hundred twenty-one million, four hundred four thousand, three hundred thirty-two".