10021001020012 has 12 divisors (see below), whose sum is σ = 18568325419560. Its totient is φ = 4715765185856.

The previous prime is 10021001019977. The next prime is 10021001020013. The reversal of 10021001020012 is 21002010012001.

It is a super-2 number, since 2×10021001020012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021001020013) 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 3 ways as a sum of consecutive naturals, for example, 73683830962 + ... + 73683831097.

It is an arithmetic number, because the mean of its divisors is an integer number (1547360451630).

Almost surely, 2^{10021001020012} is an apocalyptic number.

It is an amenable number.

10021001020012 is a deficient number, since it is larger than the sum of its proper divisors (8547324399548).

10021001020012 is a wasteful number, since it uses less digits than its factorization.

10021001020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147367662080 (or 147367662078 counting only the distinct ones).

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

Adding to 10021001020012 its reverse (21002010012001), we get a palindrome (31023011032013).

The spelling of 10021001020012 in words is "ten trillion, twenty-one billion, one million, twenty thousand, twelve".