12001110021212 has 24 divisors (see below), whose sum is σ = 22617599928000. Its totient is φ = 5538943647936.

The previous prime is 12001110021163. The next prime is 12001110021217. The reversal of 12001110021212 is 21212001110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001110021217) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11067614 + ... + 12103482.

It is an arithmetic number, because the mean of its divisors is an integer number (942399997000).

Almost surely, 2^{12001110021212} is an apocalyptic number.

It is an amenable number.

12001110021212 is a deficient number, since it is larger than the sum of its proper divisors (10616489906788).

12001110021212 is a wasteful number, since it uses less digits than its factorization.

12001110021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258685 (or 1258683 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001110021212 its reverse (21212001110021), we get a palindrome (33213111131233).

It can be divided in two parts, 12001110021 and 212, that multiplied together give a palindrome (2544235324452).

The spelling of 12001110021212 in words is "twelve trillion, one billion, one hundred ten million, twenty-one thousand, two hundred twelve".