212012110001111 has 8 divisors (see below), whose sum is σ = 246871243990944. Its totient is φ = 178295898437280.

The previous prime is 212012110001039. The next prime is 212012110001119. The reversal of 212012110001111 is 111100011210212.

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-212012110001111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012110001119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285730606100 + ... + 285730606841.

It is an arithmetic number, because the mean of its divisors is an integer number (30858905498868).

Almost surely, 2^{212012110001111} is an apocalyptic number.

212012110001111 is a deficient number, since it is larger than the sum of its proper divisors (34859133989833).

212012110001111 is an equidigital number, since it uses as much as digits as its factorization.

212012110001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571461213001.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212012110001111 its reverse (111100011210212), we get a palindrome (323112121211323).

The spelling of 212012110001111 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, one thousand, one hundred eleven".