1123413044112 has 120 divisors (see below), whose sum is σ = 3155561185920. Its totient is φ = 373094691840.

The previous prime is 1123413044069. The next prime is 1123413044113. The reversal of 1123413044112 is 2114403143211.

It is a happy number.

1123413044112 is a `hidden beast` number, since 1 + 1 + 2 + 341 + 304 + 4 + 1 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (1123413044113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129287064 + ... + 129295752.

It is an arithmetic number, because the mean of its divisors is an integer number (26296343216).

Almost surely, 2^{1123413044112} is an apocalyptic number.

1123413044112 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 1123413044112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577780592960).

1123413044112 is an abundant number, since it is smaller than the sum of its proper divisors (2032148141808).

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

1123413044112 is a wasteful number, since it uses less digits than its factorization.

1123413044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901 (or 11892 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1123413044112 its reverse (2114403143211), we get a palindrome (3237816187323).

Subtracting 1123413044112 from its reverse (2114403143211), we obtain a palindrome (990990099099).

The spelling of 1123413044112 in words is "one trillion, one hundred twenty-three billion, four hundred thirteen million, forty-four thousand, one hundred twelve".