12201012002 has 4 divisors (see below), whose sum is σ = 18301518006. Its totient is φ = 6100506000.

The previous prime is 12201012001. The next prime is 12201012041. The reversal of 12201012002 is 20021010221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9312057001 + 2888955001 = 96499^2 + 53749^2 .

It is not an unprimeable number, because it can be changed into a prime (12201012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050252999 + ... + 3050253002.

Almost surely, 2^12201012002 is an apocalyptic number.

12201012002 is a deficient number, since it is larger than the sum of its proper divisors (6100506004).

12201012002 is an equidigital number, since it uses as much as digits as its factorization.

12201012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100506003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12201012002 its reverse (20021010221), we get a palindrome (32222022223).

The spelling of 12201012002 in words is "twelve billion, two hundred one million, twelve thousand, two".