231222010202212 has 48 divisors (see below), whose sum is σ = 418432826785792. Its totient is φ = 111683172263040.

The previous prime is 231222010202171. The next prime is 231222010202237. The reversal of 231222010202212 is 212202010222132.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 175241578 + ... + 176556094.

Almost surely, 2^{231222010202212} is an apocalyptic number.

It is an amenable number.

231222010202212 is a deficient number, since it is larger than the sum of its proper divisors (187210816583580).

231222010202212 is a wasteful number, since it uses less digits than its factorization.

231222010202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317068 (or 1317066 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 231222010202212 its reverse (212202010222132), we get a palindrome (443424020424344).

The spelling of 231222010202212 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, ten million, two hundred two thousand, two hundred twelve".