12021102331012 has 12 divisors (see below), whose sum is σ = 21176246491456. Its totient is φ = 5970746190600.

The previous prime is 12021102331009. The next prime is 12021102331057. The reversal of 12021102331012 is 21013320112021.

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 3 ways as a sum of consecutive naturals, for example, 9951243048 + ... + 9951244255.

Almost surely, 2^{12021102331012} is an apocalyptic number.

It is an amenable number.

12021102331012 is a deficient number, since it is larger than the sum of its proper divisors (9155144160444).

12021102331012 is a wasteful number, since it uses less digits than its factorization.

12021102331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19902487458 (or 19902487456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12021102331012 its reverse (21013320112021), we get a palindrome (33034422443033).

The spelling of 12021102331012 in words is "twelve trillion, twenty-one billion, one hundred two million, three hundred thirty-one thousand, twelve".