12421404334 has 8 divisors (see below), whose sum is σ = 19442198160. Its totient is φ = 5940671616.

The previous prime is 12421404329. The next prime is 12421404341. The reversal of 12421404334 is 43340412421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12421404334³ (a number of 31 digits) contains 333 as substring.

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, 135015219 + ... + 135015310.

It is an arithmetic number, because the mean of its divisors is an integer number (2430274770).

Almost surely, 2^12421404334 is an apocalyptic number.

12421404334 is a deficient number, since it is larger than the sum of its proper divisors (7020793826).

12421404334 is a wasteful number, since it uses less digits than its factorization.

12421404334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270030554.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12421404334 its reverse (43340412421), we get a palindrome (55761816755).

The spelling of 12421404334 in words is "twelve billion, four hundred twenty-one million, four hundred four thousand, three hundred thirty-four".