12201235252 has 24 divisors (see below), whose sum is σ = 21684057696. Its totient is φ = 6006490848.

The previous prime is 12201235243. The next prime is 12201235261. The reversal of 12201235252 is 25253210221.

It is an interprime number because it is at equal distance from previous prime (12201235243) and next prime (12201235261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17683 + ... + 157210.

It is an arithmetic number, because the mean of its divisors is an integer number (903502404).

Almost surely, 2^12201235252 is an apocalyptic number.

It is an amenable number.

12201235252 is a deficient number, since it is larger than the sum of its proper divisors (9482822444).

12201235252 is a wasteful number, since it uses less digits than its factorization.

12201235252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175167 (or 175165 counting only the distinct ones).

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

Adding to 12201235252 its reverse (25253210221), we get a palindrome (37454445473).

The spelling of 12201235252 in words is "twelve billion, two hundred one million, two hundred thirty-five thousand, two hundred fifty-two".