212000011121211 has 32 divisors (see below), whose sum is σ = 323561225295360. Its totient is φ = 122612674807296.

The previous prime is 212000011121209. The next prime is 212000011121237. The reversal of 212000011121211 is 112121110000212.

It is a happy number.

It is not a de Polignac number, because 212000011121211 - 2¹ = 212000011121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212000011121011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956481191 + ... + 2956552896.

It is an arithmetic number, because the mean of its divisors is an integer number (10111288290480).

Almost surely, 2^{212000011121211} is an apocalyptic number.

212000011121211 is a deficient number, since it is larger than the sum of its proper divisors (111561214174149).

212000011121211 is a wasteful number, since it uses less digits than its factorization.

212000011121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913034163.

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

Adding to 212000011121211 its reverse (112121110000212), we get a palindrome (324121121121423).

The spelling of 212000011121211 in words is "two hundred twelve trillion, eleven million, one hundred twenty-one thousand, two hundred eleven".