213112133213 has 8 divisors (see below), whose sum is σ = 243857046720. Its totient is φ = 182442300480.

The previous prime is 213112133191. The next prime is 213112133219. The reversal of 213112133213 is 312331211312.

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

It is not a de Polignac number, because 213112133213 - 2¹² = 213112129117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112133219) 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, 18764108 + ... + 18775461.

It is an arithmetic number, because the mean of its divisors is an integer number (30482130840).

Almost surely, 2^213112133213 is an apocalyptic number.

It is an amenable number.

213112133213 is a deficient number, since it is larger than the sum of its proper divisors (30744913507).

213112133213 is an equidigital number, since it uses as much as digits as its factorization.

213112133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37540387.

The product of its digits is 648, while the sum is 23.

Adding to 213112133213 its reverse (312331211312), we get a palindrome (525443344525).

The spelling of 213112133213 in words is "two hundred thirteen billion, one hundred twelve million, one hundred thirty-three thousand, two hundred thirteen".