122312300212 has 12 divisors (see below), whose sum is σ = 216451543140. Its totient is φ = 60469002176.

The previous prime is 122312300203. The next prime is 122312300219. The reversal of 122312300212 is 212003213221.

It can be written as a sum of positive squares in 2 ways, for example, as 84335644836 + 37976655376 = 290406^2 + 194876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122312300212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312300219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171786583 + ... + 171787294.

It is an arithmetic number, because the mean of its divisors is an integer number (18037628595).

Almost surely, 2^122312300212 is an apocalyptic number.

It is an amenable number.

122312300212 is a deficient number, since it is larger than the sum of its proper divisors (94139242928).

122312300212 is a wasteful number, since it uses less digits than its factorization.

122312300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343573970 (or 343573968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122312300212 its reverse (212003213221), we get a palindrome (334315513433).

The spelling of 122312300212 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred thousand, two hundred twelve".