12031221211202 has 16 divisors (see below), whose sum is σ = 18710715771000. Its totient is φ = 5795239941120.

The previous prime is 12031221211193. The next prime is 12031221211249. The reversal of 12031221211202 is 20211212213021.

It can be written as a sum of positive squares in 4 ways, for example, as 11012714368681 + 1018506842521 = 3318541^2 + 1009211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230970449 + ... + 231022532.

Almost surely, 2^{12031221211202} is an apocalyptic number.

12031221211202 is a deficient number, since it is larger than the sum of its proper divisors (6679494559798).

12031221211202 is a wasteful number, since it uses less digits than its factorization.

12031221211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461993461.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12031221211202 its reverse (20211212213021), we get a palindrome (32242433424223).

The spelling of 12031221211202 in words is "twelve trillion, thirty-one billion, two hundred twenty-one million, two hundred eleven thousand, two hundred two".