12021002022212 has 12 divisors (see below), whose sum is σ = 21049844249280. Its totient is φ = 6006760808136.

The previous prime is 12021002022199. The next prime is 12021002022223. The reversal of 12021002022212 is 21222020012021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935043512 + ... + 935056367.

It is an arithmetic number, because the mean of its divisors is an integer number (1754153687440).

Almost surely, 2^{12021002022212} is an apocalyptic number.

It is an amenable number.

12021002022212 is a deficient number, since it is larger than the sum of its proper divisors (9028842227068).

12021002022212 is a wasteful number, since it uses less digits than its factorization.

12021002022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870101490 (or 1870101488 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12021002022212 its reverse (21222020012021), we get a palindrome (33243022034233).

The spelling of 12021002022212 in words is "twelve trillion, twenty-one billion, two million, twenty-two thousand, two hundred twelve".