212310122 has 8 divisors (see below), whose sum is σ = 318534276. Its totient is φ = 106132032.

The previous prime is 212310113. The next prime is 212310151. The reversal of 212310122 is 221013212.

It is a happy number.

212310122 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 156225001 + 56085121 = 12499^2 + 7489^2 .

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 = 212310097 and 212310106.

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, 4418 + ... + 21074.

Almost surely, 2^212310122 is an apocalyptic number.

212310122 is a deficient number, since it is larger than the sum of its proper divisors (106224154).

212310122 is a wasteful number, since it uses less digits than its factorization.

212310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23032.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212310122 is about 14570.8655199339. The cubic root of 212310122 is about 596.5638048012.

Adding to 212310122 its reverse (221013212), we get a palindrome (433323334).

The spelling of 212310122 in words is "two hundred twelve million, three hundred ten thousand, one hundred twenty-two".