212030312333 has 4 divisors (see below), whose sum is σ = 242320356960. Its totient is φ = 181740267708.

The previous prime is 212030312293. The next prime is 212030312381. The reversal of 212030312333 is 333213030212.

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 212030312333 - 2¹⁴ = 212030295949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212030312299 and 212030312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030312383) 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, 15145022303 + ... + 15145022316.

It is an arithmetic number, because the mean of its divisors is an integer number (60580089240).

Almost surely, 2^212030312333 is an apocalyptic number.

It is an amenable number.

212030312333 is a deficient number, since it is larger than the sum of its proper divisors (30290044627).

212030312333 is an equidigital number, since it uses as much as digits as its factorization.

212030312333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290044626.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212030312333 its reverse (333213030212), we get a palindrome (545243342545).

The spelling of 212030312333 in words is "two hundred twelve billion, thirty million, three hundred twelve thousand, three hundred thirty-three".