1001000112012 has 18 divisors (see below), whose sum is σ = 2530305838788. Its totient is φ = 333666703992.

The previous prime is 1001000112001. The next prime is 1001000112043. The reversal of 1001000112012 is 2102110001001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001000111985 and 1001000112003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13902779298 + ... + 13902779369.

Almost surely, 2^{1001000112012} is an apocalyptic number.

1001000112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001000112012 is an abundant number, since it is smaller than the sum of its proper divisors (1529305726776).

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

1001000112012 is a wasteful number, since it uses less digits than its factorization.

1001000112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805558677 (or 27805558672 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001000112012 its reverse (2102110001001), we get a palindrome (3103110113013).

The spelling of 1001000112012 in words is "one trillion, one billion, one hundred twelve thousand, twelve".