12233221230021 has 96 divisors (see below), whose sum is σ = 18115725473664. Its totient is φ = 7337240064000.

The previous prime is 12233221230019. The next prime is 12233221230029. The reversal of 12233221230021 is 12003212233221.

It is not a de Polignac number, because 12233221230021 - 2¹ = 12233221230019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233221229973 and 12233221230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233221230029) 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 95 ways as a sum of consecutive naturals, for example, 16689250971 + ... + 16689251703.

It is an arithmetic number, because the mean of its divisors is an integer number (188705473684).

Almost surely, 2^{12233221230021} is an apocalyptic number.

12233221230021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12233221230021 is a deficient number, since it is larger than the sum of its proper divisors (5882504243643).

12233221230021 is a wasteful number, since it uses less digits than its factorization.

12233221230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12233221230021 its reverse (12003212233221), we get a palindrome (24236433463242).

The spelling of 12233221230021 in words is "twelve trillion, two hundred thirty-three billion, two hundred twenty-one million, two hundred thirty thousand, twenty-one".