113412220 has 12 divisors (see below), whose sum is σ = 238165704. Its totient is φ = 45364880.

The previous prime is 113412203. The next prime is 113412223. The reversal of 113412220 is 22214311.

It is a junction number, because it is equal to n+sod(n) for n = 113412194 and 113412203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113412223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835286 + ... + 2835325.

It is an arithmetic number, because the mean of its divisors is an integer number (19847142).

Almost surely, 2^113412220 is an apocalyptic number.

113412220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113412220 is an abundant number, since it is smaller than the sum of its proper divisors (124753484).

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

113412220 is a wasteful number, since it uses less digits than its factorization.

113412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670620 (or 5670618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113412220 is about 10649.5173599558. The cubic root of 113412220 is about 484.0459795127.

Adding to 113412220 its reverse (22214311), we get a palindrome (135626531).

It can be divided in two parts, 1134 and 12220, that multiplied together give a triangular number (13857480 = T₅₂₆₄).

The spelling of 113412220 in words is "one hundred thirteen million, four hundred twelve thousand, two hundred twenty".