213212012333 has 4 divisors (see below), whose sum is σ = 213289070400. Its totient is φ = 213134954268.

The previous prime is 213212012329. The next prime is 213212012401. The reversal of 213212012333 is 333210212312.

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 213212012333 - 2² = 213212012329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213212012299 and 213212012308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213212012833) 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, 38524883 + ... + 38530416.

It is an arithmetic number, because the mean of its divisors is an integer number (53322267600).

Almost surely, 2^213212012333 is an apocalyptic number.

It is an amenable number.

213212012333 is a deficient number, since it is larger than the sum of its proper divisors (77058067).

213212012333 is an equidigital number, since it uses as much as digits as its factorization.

213212012333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77058066.

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

Adding to 213212012333 its reverse (333210212312), we get a palindrome (546422224645).

The spelling of 213212012333 in words is "two hundred thirteen billion, two hundred twelve million, twelve thousand, three hundred thirty-three".