12013202 has 4 divisors (see below), whose sum is σ = 18019806. Its totient is φ = 6006600.

The previous prime is 12013201. The next prime is 12013207. The reversal of 12013202 is 20231021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20231021 = 2647 ⋅7643.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 1907161 = 3179^2 + 1381^2 .

It is not an unprimeable number, because it can be changed into a prime (12013201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003299 + ... + 3003302.

Almost surely, 2^12013202 is an apocalyptic number.

12013202 is a deficient number, since it is larger than the sum of its proper divisors (6006604).

12013202 is an equidigital number, since it uses as much as digits as its factorization.

12013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006603.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12013202 is about 3466.0066358852. The cubic root of 12013202 is about 229.0267761702.

Adding to 12013202 its reverse (20231021), we get a palindrome (32244223).

The spelling of 12013202 in words is "twelve million, thirteen thousand, two hundred two".