212122221134 has 8 divisors (see below), whose sum is σ = 321463572528. Its totient is φ = 104967696960.

The previous prime is 212122221089. The next prime is 212122221149. The reversal of 212122221134 is 431122221212.

212122221134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 546706562 + ... + 546706949.

It is an arithmetic number, because the mean of its divisors is an integer number (40182946566).

Almost surely, 2^212122221134 is an apocalyptic number.

212122221134 is a deficient number, since it is larger than the sum of its proper divisors (109341351394).

212122221134 is a wasteful number, since it uses less digits than its factorization.

212122221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093413610.

The product of its digits is 768, while the sum is 23.

Adding to 212122221134 its reverse (431122221212), we get a palindrome (643244442346).

The spelling of 212122221134 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-four".