12550012234 has 4 divisors (see below), whose sum is σ = 18825018354. Its totient is φ = 6275006116.

The previous prime is 12550012231. The next prime is 12550012249. The reversal of 12550012234 is 43221005521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43221005521 = 4523 ⋅9555827.

It can be written as a sum of positive squares in only one way, i.e., 9506835009 + 3043177225 = 97503^2 + 55165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12550012199 and 12550012208.

It is not an unprimeable number, because it can be changed into a prime (12550012231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3137503057 + ... + 3137503060.

Almost surely, 2^12550012234 is an apocalyptic number.

12550012234 is a deficient number, since it is larger than the sum of its proper divisors (6275006120).

12550012234 is an equidigital number, since it uses as much as digits as its factorization.

12550012234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275006119.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12550012234 its reverse (43221005521), we get a palindrome (55771017755).

The spelling of 12550012234 in words is "twelve billion, five hundred fifty million, twelve thousand, two hundred thirty-four".