12002221010212 has 6 divisors (see below), whose sum is σ = 21003886767878. Its totient is φ = 6001110505104.

The previous prime is 12002221010147. The next prime is 12002221010233. The reversal of 12002221010212 is 21201012220021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11103983365696 + 898237644516 = 3332264^2 + 947754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500277626273 + ... + 1500277626280.

Almost surely, 2^{12002221010212} is an apocalyptic number.

It is an amenable number.

12002221010212 is a deficient number, since it is larger than the sum of its proper divisors (9001665757666).

12002221010212 is a wasteful number, since it uses less digits than its factorization.

12002221010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000555252557 (or 3000555252555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12002221010212 its reverse (21201012220021), we get a palindrome (33203233230233).

The spelling of 12002221010212 in words is "twelve trillion, two billion, two hundred twenty-one million, ten thousand, two hundred twelve".