212201213510233 has 4 divisors (see below), whose sum is σ = 217936381442980. Its totient is φ = 206466045577488.

The previous prime is 212201213510213. The next prime is 212201213510249. The reversal of 212201213510233 is 332015312102212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113592281889024 + 98608931621209 = 10657968^2 + 9930203^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201213510233 - 2⁹ = 212201213509721 is a prime.

It is a super-3 number, since 3×212201213510233³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201213510213) 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, 2867583966318 + ... + 2867583966391.

It is an arithmetic number, because the mean of its divisors is an integer number (54484095360745).

Almost surely, 2^{212201213510233} is an apocalyptic number.

It is an amenable number.

212201213510233 is a deficient number, since it is larger than the sum of its proper divisors (5735167932747).

212201213510233 is an equidigital number, since it uses as much as digits as its factorization.

212201213510233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735167932746.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 212201213510233 its reverse (332015312102212), we get a palindrome (544216525612445).

The spelling of 212201213510233 in words is "two hundred twelve trillion, two hundred one billion, two hundred thirteen million, five hundred ten thousand, two hundred thirty-three".