212235112205 has 32 divisors (see below), whose sum is σ = 279025171200. Its totient is φ = 154255352832.

The previous prime is 212235112123. The next prime is 212235112241. The reversal of 212235112205 is 502211532212.

It is a happy number.

212235112205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212235112205 - 2³⁴ = 195055243021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16812386 + ... + 16825004.

It is an arithmetic number, because the mean of its divisors is an integer number (8719536600).

Almost surely, 2^212235112205 is an apocalyptic number.

It is an amenable number.

212235112205 is a deficient number, since it is larger than the sum of its proper divisors (66790058995).

212235112205 is a wasteful number, since it uses less digits than its factorization.

212235112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 212235112205 its reverse (502211532212), we get a palindrome (714446644417).

The spelling of 212235112205 in words is "two hundred twelve billion, two hundred thirty-five million, one hundred twelve thousand, two hundred five".