112312213520 has 160 divisors (see below), whose sum is σ = 286577491200. Its totient is φ = 40685524992.

The previous prime is 112312213513. The next prime is 112312213567. The reversal of 112312213520 is 25312213211.

It is a super-2 number, since 2×112312213520² (a number of 23 digits) contains 22 as substring.

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, 11671271 + ... + 11680889.

It is an arithmetic number, because the mean of its divisors is an integer number (1791109320).

Almost surely, 2^112312213520 is an apocalyptic number.

112312213520 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 112312213520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143288745600).

112312213520 is an abundant number, since it is smaller than the sum of its proper divisors (174265277680).

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

112312213520 is a wasteful number, since it uses less digits than its factorization.

112312213520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857 (or 9851 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 112312213520 its reverse (25312213211), we get a palindrome (137624426731).

The spelling of 112312213520 in words is "one hundred twelve billion, three hundred twelve million, two hundred thirteen thousand, five hundred twenty".