12201443 has 4 divisors (see below), whose sum is σ = 12228600. Its totient is φ = 12174288.

The previous prime is 12201419. The next prime is 12201457. The reversal of 12201443 is 34410221.

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

It is a cyclic number.

It is not a de Polignac number, because 12201443 - 2¹⁴ = 12185059 is a prime.

It is a super-2 number, since 2×12201443² = 297750422564498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12893 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (3057150).

Almost surely, 2^12201443 is an apocalyptic number.

12201443 is a deficient number, since it is larger than the sum of its proper divisors (27157).

12201443 is an equidigital number, since it uses as much as digits as its factorization.

12201443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27156.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12201443 is about 3493.0563980560. The cubic root of 12201443 is about 230.2168276622.

Adding to 12201443 its reverse (34410221), we get a palindrome (46611664).

The spelling of 12201443 in words is "twelve million, two hundred one thousand, four hundred forty-three".