12321421334 has 8 divisors (see below), whose sum is σ = 18617038488. Its totient is φ = 6115741840.

The previous prime is 12321421327. The next prime is 12321421363. The reversal of 12321421334 is 43312412321.

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

It is a congruent number.

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, 22484072 + ... + 22484619.

It is an arithmetic number, because the mean of its divisors is an integer number (2327129811).

Almost surely, 2^12321421334 is an apocalyptic number.

12321421334 is a deficient number, since it is larger than the sum of its proper divisors (6295617154).

12321421334 is a wasteful number, since it uses less digits than its factorization.

12321421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44968830.

The product of its digits is 3456, while the sum is 26.

Adding to 12321421334 its reverse (43312412321), we get a palindrome (55633833655).

The spelling of 12321421334 in words is "twelve billion, three hundred twenty-one million, four hundred twenty-one thousand, three hundred thirty-four".