1020011002012 has 24 divisors (see below), whose sum is σ = 1849524289200. Its totient is φ = 491901686016.

The previous prime is 1020011001983. The next prime is 1020011002033. The reversal of 1020011002012 is 2102001100201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020011002012.

It is a congruent number.

It is an unprimeable number.

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, 40761837 + ... + 40786852.

It is an arithmetic number, because the mean of its divisors is an integer number (77063512050).

Almost surely, 2^{1020011002012} is an apocalyptic number.

It is an amenable number.

1020011002012 is a deficient number, since it is larger than the sum of its proper divisors (829513287188).

1020011002012 is a wasteful number, since it uses less digits than its factorization.

1020011002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81548805 (or 81548803 counting only the distinct ones).

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

Adding to 1020011002012 its reverse (2102001100201), we get a palindrome (3122012102213).

It can be divided in two parts, 102001100201 and 2, that multiplied together give a palindrome (204002200402).

The spelling of 1020011002012 in words is "one trillion, twenty billion, eleven million, two thousand, twelve".