12021312003233 has 16 divisors (see below), whose sum is σ = 13512475105920. Its totient is φ = 10611325300224.

The previous prime is 12021312003203. The next prime is 12021312003251. The reversal of 12021312003233 is 33230021312021.

It is a cyclic number.

It is not a de Polignac number, because 12021312003233 - 2³⁸ = 11746434096289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021312003199 and 12021312003208.

It is not an unprimeable number, because it can be changed into a prime (12021312003203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4189616 + ... + 6449457.

It is an arithmetic number, because the mean of its divisors is an integer number (844529694120).

Almost surely, 2^{12021312003233} is an apocalyptic number.

12021312003233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12021312003233 is a deficient number, since it is larger than the sum of its proper divisors (1491163102687).

12021312003233 is a wasteful number, since it uses less digits than its factorization.

12021312003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642888.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12021312003233 its reverse (33230021312021), we get a palindrome (45251333315254).

The spelling of 12021312003233 in words is "twelve trillion, twenty-one billion, three hundred twelve million, three thousand, two hundred thirty-three".