12245123234 has 4 divisors (see below), whose sum is σ = 18367684854. Its totient is φ = 6122561616.

The previous prime is 12245123221. The next prime is 12245123311. The reversal of 12245123234 is 43232154221.

12245123234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7275578209 + 4969545025 = 85297^2 + 70495^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12245123197 and 12245123206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061280807 + ... + 3061280810.

Almost surely, 2^12245123234 is an apocalyptic number.

12245123234 is a deficient number, since it is larger than the sum of its proper divisors (6122561620).

12245123234 is an equidigital number, since it uses as much as digits as its factorization.

12245123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122561619.

The product of its digits is 11520, while the sum is 29.

Adding to 12245123234 its reverse (43232154221), we get a palindrome (55477277455).

The spelling of 12245123234 in words is "twelve billion, two hundred forty-five million, one hundred twenty-three thousand, two hundred thirty-four".