1001112122012 has 24 divisors (see below), whose sum is σ = 1782000855600. Its totient is φ = 491972455296.

The previous prime is 1001112122009. The next prime is 1001112122047. The reversal of 1001112122012 is 2102212111001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745838 + ... + 1599530.

It is an arithmetic number, because the mean of its divisors is an integer number (74250035650).

Almost surely, 2^{1001112122012} is an apocalyptic number.

It is an amenable number.

1001112122012 is a deficient number, since it is larger than the sum of its proper divisors (780888733588).

1001112122012 is a wasteful number, since it uses less digits than its factorization.

1001112122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858725 (or 858723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001112122012 its reverse (2102212111001), we get a palindrome (3103324233013).

The spelling of 1001112122012 in words is "one trillion, one billion, one hundred twelve million, one hundred twenty-two thousand, twelve".