1002100100012 has 24 divisors (see below), whose sum is σ = 1944462494352. Its totient is φ = 448032830400.

The previous prime is 1002100099939. The next prime is 1002100100039. The reversal of 1002100100012 is 2100010012001.

It is a super-2 number, since 2×1002100100012² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 186677663 + ... + 186683030.

It is an arithmetic number, because the mean of its divisors is an integer number (81019270598).

Almost surely, 2^{1002100100012} is an apocalyptic number.

It is an amenable number.

1002100100012 is a deficient number, since it is larger than the sum of its proper divisors (942362394340).

1002100100012 is a wasteful number, since it uses less digits than its factorization.

1002100100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373360769 (or 373360767 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002100100012 its reverse (2100010012001), we get a palindrome (3102110112013).

The spelling of 1002100100012 in words is "one trillion, two billion, one hundred million, one hundred thousand, twelve".