12344421402 has 48 divisors (see below), whose sum is σ = 28809451008. Its totient is φ = 3808933920.

The previous prime is 12344421377. The next prime is 12344421413. The reversal of 12344421402 is 20412444321.

12344421402 is a `hidden beast` number, since 1 + 2 + 3 + 444 + 214 + 0 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 468093 + ... + 493760.

It is an arithmetic number, because the mean of its divisors is an integer number (600196896).

Almost surely, 2^12344421402 is an apocalyptic number.

12344421402 is an abundant number, since it is smaller than the sum of its proper divisors (16465029606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12344421402 is a wasteful number, since it uses less digits than its factorization.

12344421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961915 (or 961912 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12344421402 its reverse (20412444321), we get a palindrome (32756865723).

The spelling of 12344421402 in words is "twelve billion, three hundred forty-four million, four hundred twenty-one thousand, four hundred two".