10001220310012 has 24 divisors (see below), whose sum is σ = 17509993799760. Its totient is φ = 4998365460480.

The previous prime is 10001220309953. The next prime is 10001220310013. The reversal of 10001220310012 is 21001302210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001220309974 and 10001220310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001220310013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82335939 + ... + 82457317.

It is an arithmetic number, because the mean of its divisors is an integer number (729583074990).

Almost surely, 2^{10001220310012} is an apocalyptic number.

It is an amenable number.

10001220310012 is a deficient number, since it is larger than the sum of its proper divisors (7508773489748).

10001220310012 is a wasteful number, since it uses less digits than its factorization.

10001220310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130461 (or 130459 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10001220310012 its reverse (21001302210001), we get a palindrome (31002522520013).

The spelling of 10001220310012 in words is "ten trillion, one billion, two hundred twenty million, three hundred ten thousand, twelve".