212133113323 has 4 divisors (see below), whose sum is σ = 215728589880. Its totient is φ = 208537636768.

The previous prime is 212133113321. The next prime is 212133113329. The reversal of 212133113323 is 323311331212.

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

It is a cyclic number.

It is not a de Polignac number, because 212133113323 - 2¹ = 212133113321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133113321) 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, 1797738190 + ... + 1797738307.

It is an arithmetic number, because the mean of its divisors is an integer number (53932147470).

Almost surely, 2^212133113323 is an apocalyptic number.

212133113323 is a deficient number, since it is larger than the sum of its proper divisors (3595476557).

212133113323 is an equidigital number, since it uses as much as digits as its factorization.

212133113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595476556.

The product of its digits is 1944, while the sum is 25.

Adding to 212133113323 its reverse (323311331212), we get a palindrome (535444444535).

The spelling of 212133113323 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred twenty-three".