12102120202 has 8 divisors (see below), whose sum is σ = 18154524996. Its totient is φ = 6050611872.

The previous prime is 12102120161. The next prime is 12102120203. The reversal of 12102120202 is 20202120121.

It is a happy number.

12102120202 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 2 ways, for example, as 6431879601 + 5670240601 = 80199^2 + 75301^2 .

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

It is a super-2 number, since 2×12102120202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189283 + ... + 245014.

Almost surely, 2^12102120202 is an apocalyptic number.

12102120202 is a deficient number, since it is larger than the sum of its proper divisors (6052404794).

12102120202 is a wasteful number, since it uses less digits than its factorization.

12102120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448232.

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

Adding to 12102120202 its reverse (20202120121), we get a palindrome (32304240323).

The spelling of 12102120202 in words is "twelve billion, one hundred two million, one hundred twenty thousand, two hundred two".