312233143312012 has 192 divisors, whose sum is σ = 628381122969600. Its totient is φ = 134654697365760.

The previous prime is 312233143311983. The next prime is 312233143312033. The reversal of 312233143312012 is 210213341332213.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16365268689 + ... + 16365287767.

It is an arithmetic number, because the mean of its divisors is an integer number (3272818348800).

Almost surely, 2^{312233143312012} is an apocalyptic number.

It is an amenable number.

312233143312012 is an abundant number, since it is smaller than the sum of its proper divisors (316147979657588).

312233143312012 is a wasteful number, since it uses less digits than its factorization.

312233143312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20876 (or 20874 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 312233143312012 its reverse (210213341332213), we get a palindrome (522446484644225).

The spelling of 312233143312012 in words is "three hundred twelve trillion, two hundred thirty-three billion, one hundred forty-three million, three hundred twelve thousand, twelve".