212302122 has 16 divisors (see below), whose sum is σ = 425256480. Its totient is φ = 70658672.

The previous prime is 212302117. The next prime is 212302133. The reversal of 212302122 is 221203212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22893 + ... + 30800.

It is an arithmetic number, because the mean of its divisors is an integer number (26578530).

Almost surely, 2^212302122 is an apocalyptic number.

212302122 is an abundant number, since it is smaller than the sum of its proper divisors (212954358).

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

212302122 is a wasteful number, since it uses less digits than its factorization.

212302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54357.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212302122 is about 14570.5909969363. The cubic root of 212302122 is about 596.5563117209.

Adding to 212302122 its reverse (221203212), we get a palindrome (433505334).

The spelling of 212302122 in words is "two hundred twelve million, three hundred two thousand, one hundred twenty-two".