12243024434 has 4 divisors (see below), whose sum is σ = 18364536654. Its totient is φ = 6121512216.

The previous prime is 12243024421. The next prime is 12243024523. The reversal of 12243024434 is 43442034221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43442034221 = 37 ⋅1174109033.

It can be written as a sum of positive squares in only one way, i.e., 11321598409 + 921426025 = 106403^2 + 30355^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12243024397 and 12243024406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060756107 + ... + 3060756110.

Almost surely, 2^12243024434 is an apocalyptic number.

12243024434 is a deficient number, since it is larger than the sum of its proper divisors (6121512220).

12243024434 is an equidigital number, since it uses as much as digits as its factorization.

12243024434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121512219.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12243024434 its reverse (43442034221), we get a palindrome (55685058655).

The spelling of 12243024434 in words is "twelve billion, two hundred forty-three million, twenty-four thousand, four hundred thirty-four".