20231333212212 has 36 divisors (see below), whose sum is σ = 51170521582180. Its totient is φ = 6739794387072.

The previous prime is 20231333212147. The next prime is 20231333212219. The reversal of 20231333212212 is 21221233313202.

20231333212212 is a `hidden beast` number, since 2 + 0 + 2 + 313 + 3 + 321 + 2 + 21 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10617339997476 + 9613993214736 = 3258426^2 + 3100644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231333212219) 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 11 ways as a sum of consecutive naturals, for example, 165911137 + ... + 166033032.

Almost surely, 2^{20231333212212} is an apocalyptic number.

It is an amenable number.

20231333212212 is an abundant number, since it is smaller than the sum of its proper divisors (30939188369968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231333212212 is a wasteful number, since it uses less digits than its factorization.

20231333212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331945872 (or 331945867 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20231333212212 its reverse (21221233313202), we get a palindrome (41452566525414).

The spelling of 20231333212212 in words is "twenty trillion, two hundred thirty-one billion, three hundred thirty-three million, two hundred twelve thousand, two hundred twelve".