12021023002212 has 96 divisors (see below), whose sum is σ = 35773382892800. Its totient is φ = 3419579794176.

The previous prime is 12021023002187. The next prime is 12021023002213. The reversal of 12021023002212 is 21220032012021.

12021023002212 is a `hidden beast` number, since 1 + 2 + 0 + 210 + 230 + 0 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12021023002213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34544833 + ... + 34891080.

Almost surely, 2^{12021023002212} is an apocalyptic number.

12021023002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021023002212 is an abundant number, since it is smaller than the sum of its proper divisors (23752359890588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021023002212 is a wasteful number, since it uses less digits than its factorization.

12021023002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69436162 (or 69436154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12021023002212 its reverse (21220032012021), we get a palindrome (33241055014233).

The spelling of 12021023002212 in words is "twelve trillion, twenty-one billion, twenty-three million, two thousand, two hundred twelve".