212100201212022 has 12 divisors (see below), whose sum is σ = 459550435959420. Its totient is φ = 70700067070668.

The previous prime is 212100201212021. The next prime is 212100201212047. The reversal of 212100201212022 is 220212102001212.

It is a happy number.

212100201212022 is a `hidden beast` number, since 21 + 210 + 0 + 201 + 212 + 0 + 22 = 666.

212100201212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11783344511779 = 212100201212022 / (2 + 1 + 2 + 1 + 0 + 0 + 2 + 0 + 1 + 2 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212100201211986 and 212100201212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100201212021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5891672255872 + ... + 5891672255907.

It is an arithmetic number, because the mean of its divisors is an integer number (38295869663285).

Almost surely, 2^{212100201212022} is an apocalyptic number.

212100201212022 is an abundant number, since it is smaller than the sum of its proper divisors (247450234747398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212100201212022 is a wasteful number, since it uses less digits than its factorization.

212100201212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783344511787 (or 11783344511784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212100201212022 its reverse (220212102001212), we get a palindrome (432312303213234).

The spelling of 212100201212022 in words is "two hundred twelve trillion, one hundred billion, two hundred one million, two hundred twelve thousand, twenty-two".