12314400242 has 4 divisors (see below), whose sum is σ = 18471600366. Its totient is φ = 6157200120.

The previous prime is 12314400233. The next prime is 12314400257. The reversal of 12314400242 is 24200441321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24200441321 = 7 ⋅3457205903.

It can be written as a sum of positive squares in only one way, i.e., 7403053681 + 4911346561 = 86041^2 + 70081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078600059 + ... + 3078600062.

Almost surely, 2^12314400242 is an apocalyptic number.

12314400242 is a deficient number, since it is larger than the sum of its proper divisors (6157200124).

12314400242 is an equidigital number, since it uses as much as digits as its factorization.

12314400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157200123.

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

Adding to 12314400242 its reverse (24200441321), we get a palindrome (36514841563).

The spelling of 12314400242 in words is "twelve billion, three hundred fourteen million, four hundred thousand, two hundred forty-two".