213123132213 has 8 divisors (see below), whose sum is σ = 284319379776. Its totient is φ = 142004486400.

The previous prime is 213123132181. The next prime is 213123132217. The reversal of 213123132213 is 312231321312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213123132213 - 2⁵ = 213123132181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123132217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19394028 + ... + 19405013.

It is an arithmetic number, because the mean of its divisors is an integer number (35539922472).

Almost surely, 2^213123132213 is an apocalyptic number.

It is an amenable number.

213123132213 is a deficient number, since it is larger than the sum of its proper divisors (71196247563).

213123132213 is a wasteful number, since it uses less digits than its factorization.

213123132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38800875.

The product of its digits is 1296, while the sum is 24.

Adding to 213123132213 its reverse (312231321312), we get a palindrome (525354453525).

The spelling of 213123132213 in words is "two hundred thirteen billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirteen".