1002112111012 has 12 divisors (see below), whose sum is σ = 1856854794060. Its totient is φ = 471582169856.

The previous prime is 1002112110991. The next prime is 1002112111103. The reversal of 1002112111012 is 2101112112001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 314927481856 + 687184629156 = 561184^2 + 828966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002112110983 and 1002112111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7368471337 + ... + 7368471472.

It is an arithmetic number, because the mean of its divisors is an integer number (154737899505).

Almost surely, 2^{1002112111012} is an apocalyptic number.

It is an amenable number.

1002112111012 is a deficient number, since it is larger than the sum of its proper divisors (854742683048).

1002112111012 is a wasteful number, since it uses less digits than its factorization.

1002112111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736942830 (or 14736942828 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1002112111012 its reverse (2101112112001), we get a palindrome (3103224223013).

The spelling of 1002112111012 in words is "one trillion, two billion, one hundred twelve million, one hundred eleven thousand, twelve".