12400323214 has 4 divisors (see below), whose sum is σ = 18600484824. Its totient is φ = 6200161606.

The previous prime is 12400323203. The next prime is 12400323223. The reversal of 12400323214 is 41232300421.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 3100080802 + ... + 3100080805.

It is an arithmetic number, because the mean of its divisors is an integer number (4650121206).

Almost surely, 2^12400323214 is an apocalyptic number.

12400323214 is a deficient number, since it is larger than the sum of its proper divisors (6200161610).

12400323214 is an equidigital number, since it uses as much as digits as its factorization.

12400323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200161609.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12400323214 its reverse (41232300421), we get a palindrome (53632623635).

The spelling of 12400323214 in words is "twelve billion, four hundred million, three hundred twenty-three thousand, two hundred fourteen".