12203321010021 has 64 divisors (see below), whose sum is σ = 19289362892800. Its totient is φ = 7603047203328.

The previous prime is 12203321010017. The next prime is 12203321010047. The reversal of 12203321010021 is 12001012330221.

12203321010021 is a `hidden beast` number, since 1 + 220 + 3 + 321 + 0 + 100 + 21 = 666.

It is not a de Polignac number, because 12203321010021 - 2² = 12203321010017 is a prime.

It is a super-3 number, since 3×12203321010021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12203321009976 and 12203321010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203321010121) 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 63 ways as a sum of consecutive naturals, for example, 14877216 + ... + 15676038.

It is an arithmetic number, because the mean of its divisors is an integer number (301396295200).

Almost surely, 2^{12203321010021} is an apocalyptic number.

It is an amenable number.

12203321010021 is a deficient number, since it is larger than the sum of its proper divisors (7086041882779).

12203321010021 is a wasteful number, since it uses less digits than its factorization.

12203321010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799255 (or 799249 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12203321010021 its reverse (12001012330221), we get a palindrome (24204333340242).

The spelling of 12203321010021 in words is "twelve trillion, two hundred three billion, three hundred twenty-one million, ten thousand, twenty-one".