201212213233 has 4 divisors (see below), whose sum is σ = 201213383680. Its totient is φ = 201211042788.

The previous prime is 201212213219. The next prime is 201212213243. The reversal of 201212213233 is 332312212102.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201212213233 - 2⁵ = 201212213201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212213243) 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, 271185 + ... + 689902.

It is an arithmetic number, because the mean of its divisors is an integer number (50303345920).

Almost surely, 2^201212213233 is an apocalyptic number.

It is an amenable number.

201212213233 is a deficient number, since it is larger than the sum of its proper divisors (1170447).

201212213233 is an equidigital number, since it uses as much as digits as its factorization.

201212213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170446.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201212213233 its reverse (332312212102), we get a palindrome (533524425335).

The spelling of 201212213233 in words is "two hundred one billion, two hundred twelve million, two hundred thirteen thousand, two hundred thirty-three".