1100013312012 has 12 divisors (see below), whose sum is σ = 2566697728056. Its totient is φ = 366671104000.

The previous prime is 1100013311977. The next prime is 1100013312017. The reversal of 1100013312012 is 2102133100011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100013311982 and 1100013312000.

It is not an unprimeable number, because it can be changed into a prime (1100013312017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45833887989 + ... + 45833888012.

It is an arithmetic number, because the mean of its divisors is an integer number (213891477338).

Almost surely, 2^{1100013312012} is an apocalyptic number.

1100013312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100013312012 is an abundant number, since it is smaller than the sum of its proper divisors (1466684416044).

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

1100013312012 is a wasteful number, since it uses less digits than its factorization.

1100013312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667776008 (or 91667776006 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1100013312012 its reverse (2102133100011), we get a palindrome (3202146412023).

The spelling of 1100013312012 in words is "one trillion, one hundred billion, thirteen million, three hundred twelve thousand, twelve".