12303021223012 has 36 divisors (see below), whose sum is σ = 23369503434480. Its totient is φ = 5664765286752.

The previous prime is 12303021223007. The next prime is 12303021223021. The reversal of 12303021223012 is 21032212030321.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21434818 + ... + 22001305.

It is an arithmetic number, because the mean of its divisors is an integer number (649152873180).

Almost surely, 2^{12303021223012} is an apocalyptic number.

It is an amenable number.

12303021223012 is a deficient number, since it is larger than the sum of its proper divisors (11066482211468).

12303021223012 is a wasteful number, since it uses less digits than its factorization.

12303021223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43436572 (or 43436557 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12303021223012 its reverse (21032212030321), we get a palindrome (33335233253333).

The spelling of 12303021223012 in words is "twelve trillion, three hundred three billion, twenty-one million, two hundred twenty-three thousand, twelve".