212110121122210 has 64 divisors (see below), whose sum is σ = 395089235798400. Its totient is φ = 81935159910912.

The previous prime is 212110121122189. The next prime is 212110121122247. The reversal of 212110121122210 is 12221121011212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719213761 + ... + 719508619.

It is an arithmetic number, because the mean of its divisors is an integer number (6173269309350).

Almost surely, 2^{212110121122210} is an apocalyptic number.

212110121122210 is a deficient number, since it is larger than the sum of its proper divisors (182979114676190).

212110121122210 is a wasteful number, since it uses less digits than its factorization.

212110121122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313795.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212110121122210 its reverse (12221121011212), we get a palindrome (224331242133422).

The spelling of 212110121122210 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".