231222010020312 has 32 divisors (see below), whose sum is σ = 591498165170880. Its totient is φ = 75281584657440.

The previous prime is 231222010020289. The next prime is 231222010020329. The reversal of 231222010020312 is 213020010222132.

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, 112026166614 + ... + 112026168677.

It is an arithmetic number, because the mean of its divisors is an integer number (18484317661590).

Almost surely, 2^{231222010020312} is an apocalyptic number.

It is an amenable number.

231222010020312 is an abundant number, since it is smaller than the sum of its proper divisors (360276155150568).

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

231222010020312 is a wasteful number, since it uses less digits than its factorization.

231222010020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224052335343 (or 224052335339 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231222010020312 its reverse (213020010222132), we get a palindrome (444242020242444).

The spelling of 231222010020312 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, ten million, twenty thousand, three hundred twelve".