12321412402 has 32 divisors (see below), whose sum is σ = 20462303232. Its totient is φ = 5527548864.

The previous prime is 12321412399. The next prime is 12321412421. The reversal of 12321412402 is 20421412321.

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 15 ways as a sum of consecutive naturals, for example, 1039803 + ... + 1051585.

It is an arithmetic number, because the mean of its divisors is an integer number (639446976).

Almost surely, 2^12321412402 is an apocalyptic number.

12321412402 is a deficient number, since it is larger than the sum of its proper divisors (8140890830).

12321412402 is a wasteful number, since it uses less digits than its factorization.

12321412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12321412402 its reverse (20421412321), we get a palindrome (32742824723).

The spelling of 12321412402 in words is "twelve billion, three hundred twenty-one million, four hundred twelve thousand, four hundred two".