212000442122 has 8 divisors (see below), whose sum is σ = 363429329376. Its totient is φ = 90857332332.

The previous prime is 212000442119. The next prime is 212000442151. The reversal of 212000442122 is 221244000212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212000442094 and 212000442103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571444348 + ... + 7571444375.

It is an arithmetic number, because the mean of its divisors is an integer number (45428666172).

Almost surely, 2^212000442122 is an apocalyptic number.

212000442122 is a deficient number, since it is larger than the sum of its proper divisors (151428887254).

212000442122 is a wasteful number, since it uses less digits than its factorization.

212000442122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142888732.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212000442122 its reverse (221244000212), we get a palindrome (433244442334).

The spelling of 212000442122 in words is "two hundred twelve billion, four hundred forty-two thousand, one hundred twenty-two".