212022122122 has 8 divisors (see below), whose sum is σ = 318035634336. Its totient is φ = 106010244012.

The previous prime is 212022122099. The next prime is 212022122153. The reversal of 212022122122 is 221221220212.

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

It is a super-3 number, since 3×212022122122³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212022122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4068 + ... + 651199.

It is an arithmetic number, because the mean of its divisors is an integer number (39754454292).

Almost surely, 2^212022122122 is an apocalyptic number.

212022122122 is a deficient number, since it is larger than the sum of its proper divisors (106013512214).

212022122122 is a wasteful number, since it uses less digits than its factorization.

212022122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817052.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212022122122 its reverse (221221220212), we get a palindrome (433243342334).

The spelling of 212022122122 in words is "two hundred twelve billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".