12201242 has 16 divisors (see below), whose sum is σ = 18692520. Its totient is φ = 5971968.

The previous prime is 12201229. The next prime is 12201251. The reversal of 12201242 is 24210221.

12201242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12187081 + 14161 = 3491^2 + 119^2 .

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, 20858 + ... + 21434.

Almost surely, 2^12201242 is an apocalyptic number.

12201242 is a deficient number, since it is larger than the sum of its proper divisors (6491278).

12201242 is a wasteful number, since it uses less digits than its factorization.

12201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12201242 is about 3493.0276265727. The cubic root of 12201242 is about 230.2155634992.

Adding to 12201242 its reverse (24210221), we get a palindrome (36411463).

The spelling of 12201242 in words is "twelve million, two hundred one thousand, two hundred forty-two".