1000111202112 has 112 divisors (see below), whose sum is σ = 3012192778752. Its totient is φ = 289887290880.

The previous prime is 1000111202081. The next prime is 1000111202113. The reversal of 1000111202112 is 2112021110001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000111202113) 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, 10245718 + ... + 10342869.

Almost surely, 2^{1000111202112} is an apocalyptic number.

1000111202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000111202112 is an abundant number, since it is smaller than the sum of its proper divisors (2012081576640).

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

1000111202112 is a wasteful number, since it uses less digits than its factorization.

1000111202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20588636 (or 20588626 counting only the distinct ones).

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

Adding to 1000111202112 its reverse (2112021110001), we get a palindrome (3112132312113).

The spelling of 1000111202112 in words is "one trillion, one hundred eleven million, two hundred two thousand, one hundred twelve".