212132231213 has 8 divisors (see below), whose sum is σ = 242462401920. Its totient is φ = 181808452080.

The previous prime is 212132231191. The next prime is 212132231249. The reversal of 212132231213 is 312132231212.

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

It is a cyclic number.

It is not a de Polignac number, because 212132231213 - 2¹⁴ = 212132214829 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 (212132231813) 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, 1526558 + ... + 1659711.

It is an arithmetic number, because the mean of its divisors is an integer number (30307800240).

Almost surely, 2^212132231213 is an apocalyptic number.

It is an amenable number.

212132231213 is a deficient number, since it is larger than the sum of its proper divisors (30330170707).

212132231213 is an equidigital number, since it uses as much as digits as its factorization.

212132231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195787.

The product of its digits is 864, while the sum is 23.

Adding to 212132231213 its reverse (312132231212), we get a palindrome (524264462425).

Subtracting 212132231213 from its reverse (312132231212), we obtain a palindrome (99999999999).

The spelling of 212132231213 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".