212022122 has 8 divisors (see below), whose sum is σ = 342497316. Its totient is φ = 97856352.

The previous prime is 212022091. The next prime is 212022143. The reversal of 212022122 is 221220212.

212022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211731601 + 290521 = 14551^2 + 539^2 .

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

It is a super-3 number, since 3×212022122³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022097 and 212022106.

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, 4077323 + ... + 4077374.

Almost surely, 2^212022122 is an apocalyptic number.

212022122 is a deficient number, since it is larger than the sum of its proper divisors (130475194).

212022122 is a wasteful number, since it uses less digits than its factorization.

212022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154712.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212022122 is about 14560.9794313432. The cubic root of 212022122 is about 596.2939352348.

Adding to 212022122 its reverse (221220212), we get a palindrome (433242334).

It can be divided in two parts, 2120 and 22122, that added together give a palindrome (24242).

The spelling of 212022122 in words is "two hundred twelve million, twenty-two thousand, one hundred twenty-two".