12201124 has 18 divisors (see below), whose sum is σ = 23122050. Its totient is φ = 5630976.

The previous prime is 12201089. The next prime is 12201131. The reversal of 12201124 is 42110221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 518400 + 11682724 = 720^2 + 3418^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8349 + ... + 9700.

Almost surely, 2^12201124 is an apocalyptic number.

It is an amenable number.

12201124 is a deficient number, since it is larger than the sum of its proper divisors (10920926).

12201124 is a wasteful number, since it uses less digits than its factorization.

12201124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079 (or 18064 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12201124 is about 3493.0107357407. The cubic root of 12201124 is about 230.2148213473.

Adding to 12201124 its reverse (42110221), we get a palindrome (54311345).

The spelling of 12201124 in words is "twelve million, two hundred one thousand, one hundred twenty-four".