212334220134210 has 32 divisors (see below), whose sum is σ = 523375158820032. Its totient is φ = 55092121980480.

The previous prime is 212334220134149. The next prime is 212334220134227. The reversal of 212334220134210 is 12431022433212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 95646043996 + ... + 95646046215.

It is an arithmetic number, because the mean of its divisors is an integer number (16355473713126).

Almost surely, 2^{212334220134210} is an apocalyptic number.

212334220134210 is an abundant number, since it is smaller than the sum of its proper divisors (311040938685822).

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

212334220134210 is a wasteful number, since it uses less digits than its factorization.

212334220134210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191292090258.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212334220134210 its reverse (12431022433212), we get a palindrome (224765242567422).

The spelling of 212334220134210 in words is "two hundred twelve trillion, three hundred thirty-four billion, two hundred twenty million, one hundred thirty-four thousand, two hundred ten".