212000211011211 has 32 divisors (see below), whose sum is σ = 333770010562560. Its totient is φ = 117176905921824.

The previous prime is 212000211011203. The next prime is 212000211011213. The reversal of 212000211011211 is 112110112000212.

It is a happy number.

It is not a de Polignac number, because 212000211011211 - 2³ = 212000211011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212000211011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139582781 + ... + 1139768798.

It is an arithmetic number, because the mean of its divisors is an integer number (10430312830080).

Almost surely, 2^{212000211011211} is an apocalyptic number.

212000211011211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212000211011211 is a deficient number, since it is larger than the sum of its proper divisors (121769799551349).

212000211011211 is a wasteful number, since it uses less digits than its factorization.

212000211011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279351735.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212000211011211 its reverse (112110112000212), we get a palindrome (324110323011423).

The spelling of 212000211011211 in words is "two hundred twelve trillion, two hundred eleven million, eleven thousand, two hundred eleven".