12324221402 has 8 divisors (see below), whose sum is σ = 18593190036. Its totient is φ = 6126491392.

The previous prime is 12324221363. The next prime is 12324221453. The reversal of 12324221402 is 20412242321.

It can be written as a sum of positive squares in 2 ways, for example, as 11062622041 + 1261599361 = 105179^2 + 35519^2 .

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

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, 17809223 + ... + 17809914.

Almost surely, 2^12324221402 is an apocalyptic number.

12324221402 is a deficient number, since it is larger than the sum of its proper divisors (6268968634).

12324221402 is a wasteful number, since it uses less digits than its factorization.

12324221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35619312.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12324221402 its reverse (20412242321), we get a palindrome (32736463723).

The spelling of 12324221402 in words is "twelve billion, three hundred twenty-four million, two hundred twenty-one thousand, four hundred two".