212311222033 has 4 divisors (see below), whose sum is σ = 213717256768. Its totient is φ = 210905187300.

The previous prime is 212311222027. The next prime is 212311222043. The reversal of 212311222033 is 330222113212.

212311222033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212311222033 - 2⁵ = 212311222001 is a prime.

It is a super-2 number, since 2×212311222033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212311221995 and 212311222013.

It is not an unprimeable number, because it can be changed into a prime (212311222043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703017141 + ... + 703017442.

It is an arithmetic number, because the mean of its divisors is an integer number (53429314192).

Almost surely, 2^212311222033 is an apocalyptic number.

It is an amenable number.

212311222033 is a deficient number, since it is larger than the sum of its proper divisors (1406034735).

212311222033 is a wasteful number, since it uses less digits than its factorization.

212311222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406034734.

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

Adding to 212311222033 its reverse (330222113212), we get a palindrome (542533335245).

The spelling of 212311222033 in words is "two hundred twelve billion, three hundred eleven million, two hundred twenty-two thousand, thirty-three".