12021001311112 has 16 divisors (see below), whose sum is σ = 22578440512860. Its totient is φ = 6000083841024.

The previous prime is 12021001311073. The next prime is 12021001311149. The reversal of 12021001311112 is 21111310012021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12001138918756 + 19862392356 = 3464266^2 + 140934^2 .

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 3 ways as a sum of consecutive naturals, for example, 1302096913 + ... + 1302106144.

Almost surely, 2^{12021001311112} is an apocalyptic number.

It is an amenable number.

12021001311112 is a deficient number, since it is larger than the sum of its proper divisors (10557439201748).

12021001311112 is a wasteful number, since it uses less digits than its factorization.

12021001311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604203640 (or 2604203636 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12021001311112 its reverse (21111310012021), we get a palindrome (33132311323133).

The spelling of 12021001311112 in words is "twelve trillion, twenty-one billion, one million, three hundred eleven thousand, one hundred twelve".