113412221424 has 120 divisors (see below), whose sum is σ = 330062803200. Its totient is φ = 36309127680.

The previous prime is 113412221413. The next prime is 113412221437. The reversal of 113412221424 is 424122214311.

113412221424 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 12 + 221 + 424 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726522 + ... + 868710.

It is an arithmetic number, because the mean of its divisors is an integer number (2750523360).

Almost surely, 2^113412221424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113412221424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165031401600).

113412221424 is an abundant number, since it is smaller than the sum of its proper divisors (216650581776).

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

113412221424 is a wasteful number, since it uses less digits than its factorization.

113412221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142423 (or 142414 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 113412221424 its reverse (424122214311), we get a palindrome (537534435735).

The spelling of 113412221424 in words is "one hundred thirteen billion, four hundred twelve million, two hundred twenty-one thousand, four hundred twenty-four".