33212323001021 has 2 divisors, whose sum is σ = 33212323001022. Its totient is φ = 33212323001020.

The previous prime is 33212323001017. The next prime is 33212323001047. The reversal of 33212323001021 is 12010032321233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33190849322500 + 21473678521 = 5761150^2 + 146539^2 .

It is a cyclic number.

It is not a de Polignac number, because 33212323001021 - 2² = 33212323001017 is a prime.

It is a super-2 number, since 2×33212323001021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33212322001021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606161500510 + 16606161500511.

It is an arithmetic number, because the mean of its divisors is an integer number (16606161500511).

Almost surely, 2^{33212323001021} is an apocalyptic number.

It is an amenable number.

33212323001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212323001021 is an equidigital number, since it uses as much as digits as its factorization.

33212323001021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 33212323001021 its reverse (12010032321233), we get a palindrome (45222355322254).

The spelling of 33212323001021 in words is "thirty-three trillion, two hundred twelve billion, three hundred twenty-three million, one thousand, twenty-one".