312212042210020 has 12 divisors (see below), whose sum is σ = 655645288641084. Its totient is φ = 124884816884000.

The previous prime is 312212042209987. The next prime is 312212042210059. The reversal of 312212042210020 is 20012240212213.

It can be written as a sum of positive squares in 2 ways, for example, as 99047837389284 + 213164204820736 = 9952278^2 + 14600144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312212042209973 and 312212042210000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7805301055231 + ... + 7805301055270.

It is an arithmetic number, because the mean of its divisors is an integer number (54637107386757).

Almost surely, 2^{312212042210020} is an apocalyptic number.

It is an amenable number.

312212042210020 is an abundant number, since it is smaller than the sum of its proper divisors (343433246431064).

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

312212042210020 is a wasteful number, since it uses less digits than its factorization.

312212042210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15610602110510 (or 15610602110508 counting only the distinct ones).

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

Adding to 312212042210020 its reverse (20012240212213), we get a palindrome (332224282422233).

The spelling of 312212042210020 in words is "three hundred twelve trillion, two hundred twelve billion, forty-two million, two hundred ten thousand, twenty".