12021231300212 has 48 divisors (see below), whose sum is σ = 22031699760000. Its totient is φ = 5728388210688.

The previous prime is 12021231300209. The next prime is 12021231300223. The reversal of 12021231300212 is 21200313212021.

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, 40414343 + ... + 40710705.

It is an arithmetic number, because the mean of its divisors is an integer number (458993745000).

Almost surely, 2^{12021231300212} is an apocalyptic number.

It is an amenable number.

12021231300212 is a deficient number, since it is larger than the sum of its proper divisors (10010468459788).

12021231300212 is a wasteful number, since it uses less digits than its factorization.

12021231300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297992 (or 297990 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12021231300212 its reverse (21200313212021), we get a palindrome (33221544512233).

The spelling of 12021231300212 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, three hundred thousand, two hundred twelve".