212011002313 has 4 divisors (see below), whose sum is σ = 231284729808. Its totient is φ = 192737274820.

The previous prime is 212011002311. The next prime is 212011002319. The reversal of 212011002313 is 313200110212.

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 212011002313 - 2¹ = 212011002311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011002311) 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, 9636863731 + ... + 9636863752.

It is an arithmetic number, because the mean of its divisors is an integer number (57821182452).

Almost surely, 2^212011002313 is an apocalyptic number.

It is an amenable number.

212011002313 is a deficient number, since it is larger than the sum of its proper divisors (19273727495).

212011002313 is a wasteful number, since it uses less digits than its factorization.

212011002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19273727494.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212011002313 its reverse (313200110212), we get a palindrome (525211112525).

The spelling of 212011002313 in words is "two hundred twelve billion, eleven million, two thousand, three hundred thirteen".