12221001202 has 8 divisors (see below), whose sum is σ = 18632018412. Its totient is φ = 6010328400.

The previous prime is 12221001197. The next prime is 12221001209. The reversal of 12221001202 is 20210012221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8920613601 + 3300387601 = 94449^2 + 57449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12221001209) 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, 50085949 + ... + 50086192.

Almost surely, 2^12221001202 is an apocalyptic number.

12221001202 is a deficient number, since it is larger than the sum of its proper divisors (6411017210).

12221001202 is a wasteful number, since it uses less digits than its factorization.

12221001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100172204.

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

Adding to 12221001202 its reverse (20210012221), we get a palindrome (32431013423).

The spelling of 12221001202 in words is "twelve billion, two hundred twenty-one million, one thousand, two hundred two".