10221031210312 has 16 divisors (see below), whose sum is σ = 20638620713340. Its totient is φ = 4717399020096.

The previous prime is 10221031210301. The next prime is 10221031210321. The reversal of 10221031210312 is 21301213012201.

It can be written as a sum of positive squares in 2 ways, for example, as 8964000072036 + 1257031138276 = 2993994^2 + 1121174^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10221031210312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49139573023 + ... + 49139573230.

Almost surely, 2^{10221031210312} is an apocalyptic number.

It is an amenable number.

10221031210312 is an abundant number, since it is smaller than the sum of its proper divisors (10417589503028).

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

10221031210312 is a wasteful number, since it uses less digits than its factorization.

10221031210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98279146272 (or 98279146268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10221031210312 its reverse (21301213012201), we get a palindrome (31522244222513).

The spelling of 10221031210312 in words is "ten trillion, two hundred twenty-one billion, thirty-one million, two hundred ten thousand, three hundred twelve".