2312212211033 has 4 divisors (see below), whose sum is σ = 2336049450420. Its totient is φ = 2288374971648.

The previous prime is 2312212211009. The next prime is 2312212211039. The reversal of 2312212211033 is 3301122122132.

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 564020526169 + 1748191684864 = 751013^2 + 1322192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312212211033 - 2⁶ = 2312212210969 is a prime.

It is a super-2 number, since 2×2312212211033² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312212211039) 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, 11918619548 + ... + 11918619741.

It is an arithmetic number, because the mean of its divisors is an integer number (584012362605).

Almost surely, 2^{2312212211033} is an apocalyptic number.

It is an amenable number.

2312212211033 is a deficient number, since it is larger than the sum of its proper divisors (23837239387).

2312212211033 is an equidigital number, since it uses as much as digits as its factorization.

2312212211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23837239386.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2312212211033 its reverse (3301122122132), we get a palindrome (5613334333165).

The spelling of 2312212211033 in words is "two trillion, three hundred twelve billion, two hundred twelve million, two hundred eleven thousand, thirty-three".