1020100012012 has 6 divisors (see below), whose sum is σ = 1785175021028. Its totient is φ = 510050006004.

The previous prime is 1020100011923. The next prime is 1020100012021. The reversal of 1020100012012 is 2102100010201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020100012012.

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 as a sum of consecutive naturals, namely, 127512501498 + ... + 127512501505.

Almost surely, 2^{1020100012012} is an apocalyptic number.

It is an amenable number.

1020100012012 is a deficient number, since it is larger than the sum of its proper divisors (765075009016).

1020100012012 is a wasteful number, since it uses less digits than its factorization.

1020100012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255025003007 (or 255025003005 counting only the distinct ones).

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

Adding to 1020100012012 its reverse (2102100010201), we get a palindrome (3122200022213).

The spelling of 1020100012012 in words is "one trillion, twenty billion, one hundred million, twelve thousand, twelve".