23212210033213 has 4 divisors (see below), whose sum is σ = 23212291632928. Its totient is φ = 23212128433500.

The previous prime is 23212210033171. The next prime is 23212210033231. The reversal of 23212210033213 is 31233001221232.

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 23212210033213 - 2²¹ = 23212207936061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212210033253) 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, 40371663 + ... + 40942588.

It is an arithmetic number, because the mean of its divisors is an integer number (5803072908232).

Almost surely, 2^{23212210033213} is an apocalyptic number.

It is an amenable number.

23212210033213 is a deficient number, since it is larger than the sum of its proper divisors (81599715).

23212210033213 is an equidigital number, since it uses as much as digits as its factorization.

23212210033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81599714.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23212210033213 its reverse (31233001221232), we get a palindrome (54445211254445).

The spelling of 23212210033213 in words is "twenty-three trillion, two hundred twelve billion, two hundred ten million, thirty-three thousand, two hundred thirteen".