1001001100012 has 12 divisors (see below), whose sum is σ = 1763508650400. Its totient is φ = 497141485616.

The previous prime is 1001001100003. The next prime is 1001001100027. The reversal of 1001001100012 is 2100011001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001001099968 and 1001001100004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839765428 + ... + 839766619.

It is an arithmetic number, because the mean of its divisors is an integer number (146959054200).

Almost surely, 2^{1001001100012} is an apocalyptic number.

It is an amenable number.

1001001100012 is a deficient number, since it is larger than the sum of its proper divisors (762507550388).

1001001100012 is a wasteful number, since it uses less digits than its factorization.

1001001100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679532200 (or 1679532198 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001001100012 its reverse (2100011001001), we get a palindrome (3101012101013).

The spelling of 1001001100012 in words is "one trillion, one billion, one million, one hundred thousand, twelve".