312232411140020 has 24 divisors (see below), whose sum is σ = 749357786736384. Its totient is φ = 107051112390816.

The previous prime is 312232411139977. The next prime is 312232411140037. The reversal of 312232411140020 is 20041114232213.

It is a happy number.

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, 1115115753932 + ... + 1115115754211.

It is an arithmetic number, because the mean of its divisors is an integer number (31223241114016).

Almost surely, 2^{312232411140020} is an apocalyptic number.

It is an amenable number.

312232411140020 is an abundant number, since it is smaller than the sum of its proper divisors (437125375596364).

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

312232411140020 is a wasteful number, since it uses less digits than its factorization.

312232411140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230231508159 (or 2230231508157 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312232411140020 its reverse (20041114232213), we get a palindrome (332273525372233).

The spelling of 312232411140020 in words is "three hundred twelve trillion, two hundred thirty-two billion, four hundred eleven million, one hundred forty thousand, twenty".