1001012443112 has 64 divisors (see below), whose sum is σ = 2055806438400. Its totient is φ = 453166560000.

The previous prime is 1001012443073. The next prime is 1001012443129. The reversal of 1001012443112 is 2113442101001.

It is a super-2 number, since 2×1001012443112² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109383737 + ... + 109392887.

It is an arithmetic number, because the mean of its divisors is an integer number (32121975600).

Almost surely, 2^{1001012443112} is an apocalyptic number.

It is an amenable number.

1001012443112 is an abundant number, since it is smaller than the sum of its proper divisors (1054793995288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001012443112 is a wasteful number, since it uses less digits than its factorization.

1001012443112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14058 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1001012443112 its reverse (2113442101001), we get a palindrome (3114454544113).

The spelling of 1001012443112 in words is "one trillion, one billion, twelve million, four hundred forty-three thousand, one hundred twelve".