112125212130 has 64 divisors (see below), whose sum is σ = 273254663808. Its totient is φ = 29439889920.

The previous prime is 112125212119. The next prime is 112125212159. The reversal of 112125212130 is 31212521211.

It is a junction number, because it is equal to n+sod(n) for n = 112125212097 and 112125212106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241920 + ... + 1329140.

It is an arithmetic number, because the mean of its divisors is an integer number (4269604122).

Almost surely, 2^112125212130 is an apocalyptic number.

112125212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112125212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136627331904).

112125212130 is an abundant number, since it is smaller than the sum of its proper divisors (161129451678).

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

112125212130 is a wasteful number, since it uses less digits than its factorization.

112125212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87891.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 112125212130 its reverse (31212521211), we get a palindrome (143337733341).

The spelling of 112125212130 in words is "one hundred twelve billion, one hundred twenty-five million, two hundred twelve thousand, one hundred thirty".