1000212313211 has 4 divisors (see below), whose sum is σ = 1004580052800. Its totient is φ = 995844573624.

The previous prime is 1000212313169. The next prime is 1000212313223. The reversal of 1000212313211 is 1123132120001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000212313211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000212313211.

It is not an unprimeable number, because it can be changed into a prime (1000212313241) 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, 2183869451 + ... + 2183869908.

It is an arithmetic number, because the mean of its divisors is an integer number (251145013200).

Almost surely, 2^{1000212313211} is an apocalyptic number.

1000212313211 is a deficient number, since it is larger than the sum of its proper divisors (4367739589).

1000212313211 is an equidigital number, since it uses as much as digits as its factorization.

1000212313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367739588.

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

Adding to 1000212313211 its reverse (1123132120001), we get a palindrome (2123344433212).

The spelling of 1000212313211 in words is "one trillion, two hundred twelve million, three hundred thirteen thousand, two hundred eleven".