12002022021212 has 6 divisors (see below), whose sum is σ = 21003538537128. Its totient is φ = 6001011010604.

The previous prime is 12002022021167. The next prime is 12002022021217. The reversal of 12002022021212 is 21212022020021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002022021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500252752648 + ... + 1500252752655.

It is an arithmetic number, because the mean of its divisors is an integer number (3500589756188).

Almost surely, 2^{12002022021212} is an apocalyptic number.

It is an amenable number.

12002022021212 is a deficient number, since it is larger than the sum of its proper divisors (9001516515916).

12002022021212 is a wasteful number, since it uses less digits than its factorization.

12002022021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000505505307 (or 3000505505305 counting only the distinct ones).

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

Adding to 12002022021212 its reverse (21212022020021), we get a palindrome (33214044041233).

The spelling of 12002022021212 in words is "twelve trillion, two billion, twenty-two million, twenty-one thousand, two hundred twelve".