12201020212202 has 12 divisors (see below), whose sum is σ = 19441418020710. Its totient is φ = 5741656570176.

The previous prime is 12201020212189. The next prime is 12201020212223. The reversal of 12201020212202 is 20221202010221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11855275036201 + 345745176001 = 3443149^2 + 588001^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10554515177 + ... + 10554516332.

Almost surely, 2^{12201020212202} is an apocalyptic number.

12201020212202 is a deficient number, since it is larger than the sum of its proper divisors (7240397808508).

12201020212202 is a wasteful number, since it uses less digits than its factorization.

12201020212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21109031545 (or 21109031528 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12201020212202 its reverse (20221202010221), we get a palindrome (32422222222423).

The spelling of 12201020212202 in words is "twelve trillion, two hundred one billion, twenty million, two hundred twelve thousand, two hundred two".