12021231013012 has 48 divisors (see below), whose sum is σ = 22714638120720. Its totient is φ = 5533757033472.

The previous prime is 12021231012991. The next prime is 12021231013031. The reversal of 12021231013012 is 21031013212021.

12021231013012 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 8 ways, for example, as 1140957240336 + 10880273772676 = 1068156^2 + 3298526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134305218 + ... + 134394694.

It is an arithmetic number, because the mean of its divisors is an integer number (473221627515).

Almost surely, 2^{12021231013012} is an apocalyptic number.

It is an amenable number.

12021231013012 is a deficient number, since it is larger than the sum of its proper divisors (10693407107708).

12021231013012 is a wasteful number, since it uses less digits than its factorization.

12021231013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96220 (or 96218 counting only the distinct ones).

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

Adding to 12021231013012 its reverse (21031013212021), we get a palindrome (33052244225033).

The spelling of 12021231013012 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, thirteen thousand, twelve".