10021120012 has 6 divisors (see below), whose sum is σ = 17536960028. Its totient is φ = 5010560004.

The previous prime is 10021120003. The next prime is 10021120073. The reversal of 10021120012 is 21002112001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252639998 + ... + 1252640005.

Almost surely, 2^10021120012 is an apocalyptic number.

It is an amenable number.

10021120012 is a deficient number, since it is larger than the sum of its proper divisors (7515840016).

10021120012 is a wasteful number, since it uses less digits than its factorization.

10021120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505280007 (or 2505280005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10021120012 its reverse (21002112001), we get a palindrome (31023232013).

It can be divided in two parts, 1002112001 and 2, that multiplied together give a palindrome (2004224002).

The spelling of 10021120012 in words is "ten billion, twenty-one million, one hundred twenty thousand, twelve".