212112220001211 has 40 divisors (see below), whose sum is σ = 322986833232624. Its totient is φ = 138699578836800.

The previous prime is 212112220001207. The next prime is 212112220001221. The reversal of 212112220001211 is 112100022211212.

212112220001211 is a `hidden beast` number, since 21 + 211 + 2 + 220 + 0 + 0 + 1 + 211 = 666.

212112220001211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212112220001211 - 2² = 212112220001207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112220001221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120280800 + ... + 122031533.

Almost surely, 2^{212112220001211} is an apocalyptic number.

212112220001211 is a deficient number, since it is larger than the sum of its proper divisors (110874613231413).

212112220001211 is a wasteful number, since it uses less digits than its factorization.

212112220001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242312553 (or 242312544 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212112220001211 its reverse (112100022211212), we get a palindrome (324212242212423).

The spelling of 212112220001211 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty million, one thousand, two hundred eleven".