10021112122012 has 48 divisors (see below), whose sum is σ = 18334453213440. Its totient is φ = 4783533679232.

The previous prime is 10021112121983. The next prime is 10021112122013. The reversal of 10021112122012 is 21022121112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021112122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483004623 + ... + 483025369.

It is an arithmetic number, because the mean of its divisors is an integer number (381967775280).

Almost surely, 2^{10021112122012} is an apocalyptic number.

It is an amenable number.

10021112122012 is a deficient number, since it is larger than the sum of its proper divisors (8313341091428).

10021112122012 is a wasteful number, since it uses less digits than its factorization.

10021112122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30570 (or 30568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021112122012 its reverse (21022121112001), we get a palindrome (31043233234013).

The spelling of 10021112122012 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, twelve".