1122200000112 has 80 divisors (see below), whose sum is σ = 3001052161440. Its totient is φ = 360918598656.

The previous prime is 1122200000063. The next prime is 1122200000113. The reversal of 1122200000112 is 2110000022211.

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 (1122200000113) 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, 1745158 + ... + 2299994.

It is an arithmetic number, because the mean of its divisors is an integer number (37513152018).

Almost surely, 2^{1122200000112} is an apocalyptic number.

1122200000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122200000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500526080720).

1122200000112 is an abundant number, since it is smaller than the sum of its proper divisors (1878852161328).

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

1122200000112 is a wasteful number, since it uses less digits than its factorization.

1122200000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556330 (or 556324 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1122200000112 its reverse (2110000022211), we get a palindrome (3232200022323).

The spelling of 1122200000112 in words is "one trillion, one hundred twenty-two billion, two hundred million, one hundred twelve", and thus it is an aban number.