1112123211300 has 432 divisors, whose sum is σ = 3810974748672. Its totient is φ = 270413510400.

The previous prime is 1112123211299. The next prime is 1112123211317. The reversal of 1112123211300 is 31123212111.

1112123211300 is a `hidden beast` number, since 1 + 1 + 1 + 212 + 321 + 130 + 0 = 666.

It is a super-2 number, since 2×1112123211300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 42980967 + ... + 43006833.

Almost surely, 2^{1112123211300} is an apocalyptic number.

1112123211300 is a gapful number since it is divisible by the number (10) 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 1112123211300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905487374336).

1112123211300 is an abundant number, since it is smaller than the sum of its proper divisors (2698851537372).

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

1112123211300 is a wasteful number, since it uses less digits than its factorization.

1112123211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008 (or 25998 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112123211300 its reverse (31123212111), we get a palindrome (1143246423411).

The spelling of 1112123211300 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, two hundred eleven thousand, three hundred".