212302331312212 has 24 divisors (see below), whose sum is σ = 381637479403880. Its totient is φ = 103264060101120.

The previous prime is 212302331312191. The next prime is 212302331312237. The reversal of 212302331312212 is 212213133203212.

It can be written as a sum of positive squares in 4 ways, for example, as 191384093578896 + 20918237733316 = 13834164^2 + 4573646^2 .

It is a congruent 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, 125232489 + ... + 126916432.

Almost surely, 2^{212302331312212} is an apocalyptic number.

It is an amenable number.

212302331312212 is a deficient number, since it is larger than the sum of its proper divisors (169335148091668).

212302331312212 is a wasteful number, since it uses less digits than its factorization.

212302331312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252154651 (or 252154649 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212302331312212 its reverse (212213133203212), we get a palindrome (424515464515424).

The spelling of 212302331312212 in words is "two hundred twelve trillion, three hundred two billion, three hundred thirty-one million, three hundred twelve thousand, two hundred twelve".