212001112313 has 4 divisors (see below), whose sum is σ = 212041414308. Its totient is φ = 211960810320.

The previous prime is 212001112303. The next prime is 212001112333. The reversal of 212001112313 is 313211100212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158553683344 + 53447428969 = 398188^2 + 231187^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001112313 - 2¹⁸ = 212000850169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212001112291 and 212001112300.

It is not an unprimeable number, because it can be changed into a prime (212001112303) 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, 20143106 + ... + 20153627.

It is an arithmetic number, because the mean of its divisors is an integer number (53010353577).

Almost surely, 2^212001112313 is an apocalyptic number.

It is an amenable number.

212001112313 is a deficient number, since it is larger than the sum of its proper divisors (40301995).

212001112313 is an equidigital number, since it uses as much as digits as its factorization.

212001112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40301994.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212001112313 its reverse (313211100212), we get a palindrome (525212212525).

The spelling of 212001112313 in words is "two hundred twelve billion, one million, one hundred twelve thousand, three hundred thirteen".