212320303233 has 4 divisors (see below), whose sum is σ = 283093737648. Its totient is φ = 141546868820.

The previous prime is 212320303229. The next prime is 212320303277. The reversal of 212320303233 is 332303023212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212320303233 - 2² = 212320303229 is a prime.

It is a super-2 number, since 2×212320303233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212320303033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35386717203 + ... + 35386717208.

It is an arithmetic number, because the mean of its divisors is an integer number (70773434412).

Almost surely, 2^212320303233 is an apocalyptic number.

It is an amenable number.

212320303233 is a deficient number, since it is larger than the sum of its proper divisors (70773434415).

212320303233 is an equidigital number, since it uses as much as digits as its factorization.

212320303233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70773434414.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 212320303233 its reverse (332303023212), we get a palindrome (544623326445).

The spelling of 212320303233 in words is "two hundred twelve billion, three hundred twenty million, three hundred three thousand, two hundred thirty-three".