12201224434 has 8 divisors (see below), whose sum is σ = 20916384768. Its totient is φ = 5229096180.

The previous prime is 12201224429. The next prime is 12201224449. The reversal of 12201224434 is 43442210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12201224399 and 12201224408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435758002 + ... + 435758029.

It is an arithmetic number, because the mean of its divisors is an integer number (2614548096).

Almost surely, 2^12201224434 is an apocalyptic number.

12201224434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12201224434 is a deficient number, since it is larger than the sum of its proper divisors (8715160334).

12201224434 is an equidigital number, since it uses as much as digits as its factorization.

12201224434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871516040.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12201224434 its reverse (43442210221), we get a palindrome (55643434655).

The spelling of 12201224434 in words is "twelve billion, two hundred one million, two hundred twenty-four thousand, four hundred thirty-four".