1002010021012 has 48 divisors (see below), whose sum is σ = 2354373205632. Its totient is φ = 360363242880.

The previous prime is 1002010020971. The next prime is 1002010021073. The reversal of 1002010021012 is 2101200102001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002010021012.

It is a congruent number.

It is an unprimeable number.

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, 125122123 + ... + 125130130.

It is an arithmetic number, because the mean of its divisors is an integer number (49049441784).

Almost surely, 2^{1002010021012} is an apocalyptic number.

It is an amenable number.

1002010021012 is an abundant number, since it is smaller than the sum of its proper divisors (1352363184620).

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

1002010021012 is a wasteful number, since it uses less digits than its factorization.

1002010021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250252288 (or 250252286 counting only the distinct ones).

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

Adding to 1002010021012 its reverse (2101200102001), we get a palindrome (3103210123013).

The spelling of 1002010021012 in words is "one trillion, two billion, ten million, twenty-one thousand, twelve".