1011112200012 has 48 divisors (see below), whose sum is σ = 2507762043360. Its totient is φ = 315977367552.

The previous prime is 1011112199989. The next prime is 1011112200019. The reversal of 1011112200012 is 2100022111101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1011112200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9590437 + ... + 9695292.

It is an arithmetic number, because the mean of its divisors is an integer number (52245042570).

Almost surely, 2^{1011112200012} is an apocalyptic number.

1011112200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011112200012 is an abundant number, since it is smaller than the sum of its proper divisors (1496649843348).

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

1011112200012 is a wasteful number, since it uses less digits than its factorization.

1011112200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286010 (or 19286008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011112200012 its reverse (2100022111101), we get a palindrome (3111134311113).

The spelling of 1011112200012 in words is "one trillion, eleven billion, one hundred twelve million, two hundred thousand, twelve".