12402303422 has 4 divisors (see below), whose sum is σ = 18603455136. Its totient is φ = 6201151710.

The previous prime is 12402303343. The next prime is 12402303427. The reversal of 12402303422 is 22430320421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22430320421 = 17 ⋅1319430613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402303427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100575854 + ... + 3100575857.

It is an arithmetic number, because the mean of its divisors is an integer number (4650863784).

Almost surely, 2^12402303422 is an apocalyptic number.

12402303422 is a deficient number, since it is larger than the sum of its proper divisors (6201151714).

12402303422 is an equidigital number, since it uses as much as digits as its factorization.

12402303422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201151713.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12402303422 its reverse (22430320421), we get a palindrome (34832623843).

The spelling of 12402303422 in words is "twelve billion, four hundred two million, three hundred three thousand, four hundred twenty-two".