212322013513 has 4 divisors (see below), whose sum is σ = 212322999168. Its totient is φ = 212321027860.

The previous prime is 212322013507. The next prime is 212322013549. The reversal of 212322013513 is 315310223212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212322013513 - 2¹³ = 212322005321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322083513) 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, 15793 + ... + 651838.

It is an arithmetic number, because the mean of its divisors is an integer number (53080749792).

Almost surely, 2^212322013513 is an apocalyptic number.

It is an amenable number.

212322013513 is a deficient number, since it is larger than the sum of its proper divisors (985655).

212322013513 is an equidigital number, since it uses as much as digits as its factorization.

212322013513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985654.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 212322013513 its reverse (315310223212), we get a palindrome (527632236725).

The spelling of 212322013513 in words is "two hundred twelve billion, three hundred twenty-two million, thirteen thousand, five hundred thirteen".