12212213313012 has 12 divisors (see below), whose sum is σ = 28495164397056. Its totient is φ = 4070737771000.

The previous prime is 12212213313011. The next prime is 12212213313019. The reversal of 12212213313012 is 21031331221221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212213313011) 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 3 ways as a sum of consecutive naturals, for example, 508842221364 + ... + 508842221387.

It is an arithmetic number, because the mean of its divisors is an integer number (2374597033088).

Almost surely, 2^{12212213313012} is an apocalyptic number.

12212213313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212213313012 is an abundant number, since it is smaller than the sum of its proper divisors (16282951084044).

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

12212213313012 is a wasteful number, since it uses less digits than its factorization.

12212213313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017684442758 (or 1017684442756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12212213313012 its reverse (21031331221221), we get a palindrome (33243544534233).

The spelling of 12212213313012 in words is "twelve trillion, two hundred twelve billion, two hundred thirteen million, three hundred thirteen thousand, twelve".