212120022 has 8 divisors (see below), whose sum is σ = 424240056. Its totient is φ = 70706672.

The previous prime is 212120021. The next prime is 212120023. The reversal of 212120022 is 220021212.

212120022 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212120021) and next prime (212120023).

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

212120022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17676663 + ... + 17676674.

It is an arithmetic number, because the mean of its divisors is an integer number (53030007).

Almost surely, 2^212120022 is an apocalyptic number.

212120022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212120022 is a wasteful number, since it uses less digits than its factorization.

212120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35353342.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212120022 is about 14564.3407677794. The cubic root of 212120022 is about 596.3856995484.

Adding to 212120022 its reverse (220021212), we get a palindrome (432141234).

The spelling of 212120022 in words is "two hundred twelve million, one hundred twenty thousand, twenty-two".