12201203312 has 10 divisors (see below), whose sum is σ = 23639831448. Its totient is φ = 6100601648.

The previous prime is 12201203291. The next prime is 12201203383. The reversal of 12201203312 is 21330210221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381287588 + ... + 381287619.

Almost surely, 2^12201203312 is an apocalyptic number.

It is an amenable number.

12201203312 is a deficient number, since it is larger than the sum of its proper divisors (11438628136).

12201203312 is an equidigital number, since it uses as much as digits as its factorization.

12201203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762575215 (or 762575209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12201203312 its reverse (21330210221), we get a palindrome (33531413533).

The spelling of 12201203312 in words is "twelve billion, two hundred one million, two hundred three thousand, three hundred twelve".