1112000100012 has 36 divisors (see below), whose sum is σ = 2870695298016. Its totient is φ = 362780173920.

The previous prime is 1112000099909. The next prime is 1112000100089. The reversal of 1112000100012 is 2100010002111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1112000099967 and 1112000100003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328603539 + ... + 328606922.

It is an arithmetic number, because the mean of its divisors is an integer number (79741536056).

Almost surely, 2^{1112000100012} is an apocalyptic number.

1112000100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112000100012 is an abundant number, since it is smaller than the sum of its proper divisors (1758695198004).

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

1112000100012 is a wasteful number, since it uses less digits than its factorization.

1112000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657210518 (or 657210513 counting only the distinct ones).

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

Adding to 1112000100012 its reverse (2100010002111), we get a palindrome (3212010102123).

The spelling of 1112000100012 in words is "one trillion, one hundred twelve billion, one hundred thousand, twelve".