212300122 has 4 divisors (see below), whose sum is σ = 318450186. Its totient is φ = 106150060.

The previous prime is 212300119. The next prime is 212300141. The reversal of 212300122 is 221003212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196308121 + 15992001 = 14011^2 + 3999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53075029 + ... + 53075032.

Almost surely, 2^212300122 is an apocalyptic number.

212300122 is a deficient number, since it is larger than the sum of its proper divisors (106150064).

212300122 is a wasteful number, since it uses less digits than its factorization.

212300122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106150063.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212300122 is about 14570.5223653787. The cubic root of 212300122 is about 596.5544384214.

Adding to 212300122 its reverse (221003212), we get a palindrome (433303334).

The spelling of 212300122 in words is "two hundred twelve million, three hundred thousand, one hundred twenty-two".