1001111012012 has 12 divisors (see below), whose sum is σ = 1752663181920. Its totient is φ = 500350102896.

The previous prime is 1001111012009. The next prime is 1001111012059. The reversal of 1001111012012 is 2102101111001.

It is a junction number, because it is equal to n+sod(n) for n = 1001111011984 and 1001111012002.

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, 51339812 + ... + 51359307.

It is an arithmetic number, because the mean of its divisors is an integer number (146055265160).

Almost surely, 2^{1001111012012} is an apocalyptic number.

It is an amenable number.

1001111012012 is a deficient number, since it is larger than the sum of its proper divisors (751552169908).

1001111012012 is a wasteful number, since it uses less digits than its factorization.

1001111012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102701560 (or 102701558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001111012012 its reverse (2102101111001), we get a palindrome (3103212123013).

The spelling of 1001111012012 in words is "one trillion, one billion, one hundred eleven million, twelve thousand, twelve".