212212103313 has 8 divisors (see below), whose sum is σ = 323370824128. Its totient is φ = 121264059024.

The previous prime is 212212103309. The next prime is 212212103339. The reversal of 212212103313 is 313301212212.

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

It is not a de Polignac number, because 212212103313 - 2² = 212212103309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10105338253 = 212212103313 / (2 + 1 + 2 + 2 + 1 + 2 + 1 + 0 + 3 + 3 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212212103313.

It is not an unprimeable number, because it can be changed into a prime (212212103303) 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, 5052669106 + ... + 5052669147.

It is an arithmetic number, because the mean of its divisors is an integer number (40421353016).

Almost surely, 2^212212103313 is an apocalyptic number.

It is an amenable number.

212212103313 is a deficient number, since it is larger than the sum of its proper divisors (111158720815).

212212103313 is a wasteful number, since it uses less digits than its factorization.

212212103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105338263.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212212103313 its reverse (313301212212), we get a palindrome (525513315525).

The spelling of 212212103313 in words is "two hundred twelve billion, two hundred twelve million, one hundred three thousand, three hundred thirteen".