12001212003222 has 24 divisors (see below), whose sum is σ = 28002828008064. Its totient is φ = 3692680616304.

The previous prime is 12001212003217. The next prime is 12001212003257. The reversal of 12001212003222 is 22230021210021.

12001212003222 is a `hidden beast` number, since 1 + 20 + 0 + 121 + 200 + 322 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12001212003195 and 12001212003204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25643615158 + ... + 25643615625.

It is an arithmetic number, because the mean of its divisors is an integer number (1166784500336).

Almost surely, 2^{12001212003222} is an apocalyptic number.

12001212003222 is an abundant number, since it is smaller than the sum of its proper divisors (16001616004842).

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

12001212003222 is a wasteful number, since it uses less digits than its factorization.

12001212003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51287230804 (or 51287230801 counting only the distinct ones).

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

Adding to 12001212003222 its reverse (22230021210021), we get a palindrome (34231233213243).

The spelling of 12001212003222 in words is "twelve trillion, one billion, two hundred twelve million, three thousand, two hundred twenty-two".