212013213113 has 8 divisors (see below), whose sum is σ = 228524171400. Its totient is φ = 195531147648.

The previous prime is 212013213089. The next prime is 212013213127. The reversal of 212013213113 is 311312310212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29994083344 + 182019129769 = 173188^2 + 426637^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013213113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013210113) 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, 7207958 + ... + 7237311.

It is an arithmetic number, because the mean of its divisors is an integer number (28565521425).

Almost surely, 2^212013213113 is an apocalyptic number.

It is an amenable number.

212013213113 is a deficient number, since it is larger than the sum of its proper divisors (16510958287).

212013213113 is a wasteful number, since it uses less digits than its factorization.

212013213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14446411.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212013213113 its reverse (311312310212), we get a palindrome (523325523325).

The spelling of 212013213113 in words is "two hundred twelve billion, thirteen million, two hundred thirteen thousand, one hundred thirteen".