212133213313 has 16 divisors (see below), whose sum is σ = 243316958976. Its totient is φ = 181169484480.

The previous prime is 212133213289. The next prime is 212133213323. The reversal of 212133213313 is 313312331212.

It is a cyclic number.

It is not a de Polignac number, because 212133213313 - 2⁹ = 212133212801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212133213323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14084895 + ... + 14099947.

It is an arithmetic number, because the mean of its divisors is an integer number (15207309936).

Almost surely, 2^212133213313 is an apocalyptic number.

It is an amenable number.

212133213313 is a deficient number, since it is larger than the sum of its proper divisors (31183745663).

212133213313 is a wasteful number, since it uses less digits than its factorization.

212133213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224.

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

Adding to 212133213313 its reverse (313312331212), we get a palindrome (525445544525).

The spelling of 212133213313 in words is "two hundred twelve billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred thirteen".