213012230122213 has 4 divisors (see below), whose sum is σ = 215578642533408. Its totient is φ = 210445817711020.

The previous prime is 213012230122147. The next prime is 213012230122261. The reversal of 213012230122213 is 312221032210312.

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 213012230122213 - 2³³ = 213003640187621 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 (213012230122513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283206205473 + ... + 1283206205638.

It is an arithmetic number, because the mean of its divisors is an integer number (53894660633352).

Almost surely, 2^{213012230122213} is an apocalyptic number.

It is an amenable number.

213012230122213 is a deficient number, since it is larger than the sum of its proper divisors (2566412411195).

213012230122213 is an equidigital number, since it uses as much as digits as its factorization.

213012230122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566412411194.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213012230122213 its reverse (312221032210312), we get a palindrome (525233262332525).

The spelling of 213012230122213 in words is "two hundred thirteen trillion, twelve billion, two hundred thirty million, one hundred twenty-two thousand, two hundred thirteen".