12221333001012 has 24 divisors (see below), whose sum is σ = 30193881532416. Its totient is φ = 3834143686528.

The previous prime is 12221333001011. The next prime is 12221333001023. The reversal of 12221333001012 is 21010033312221.

It is a self number, because there is not a number n which added to its sum of digits gives 12221333001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221333001011) 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 in 7 ways as a sum of consecutive naturals, for example, 29954247348 + ... + 29954247755.

It is an arithmetic number, because the mean of its divisors is an integer number (1258078397184).

Almost surely, 2^{12221333001012} is an apocalyptic number.

12221333001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221333001012 is an abundant number, since it is smaller than the sum of its proper divisors (17972548531404).

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

12221333001012 is a wasteful number, since it uses less digits than its factorization.

12221333001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59908495127 (or 59908495125 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12221333001012 its reverse (21010033312221), we get a palindrome (33231366313233).

The spelling of 12221333001012 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-three million, one thousand, twelve".