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112212133331 = 179876238513
BaseRepresentation
bin110100010000001011…
…1010100010111010011
3101201122020220222211012
41220200113110113103
53314302301231311
6123314411241135
711051502252524
oct1504027242723
9351566828735
10112212133331
1143652907681
12198b77491ab
13a7738b913c
145606cdc84b
152dbb40e78b
hex1a205d45d3

112212133331 has 4 divisors (see below), whose sum is σ = 112218389832. Its totient is φ = 112205876832.

The previous prime is 112212133289. The next prime is 112212133351. The reversal of 112212133331 is 133331212211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112212133331 is a prime.

It is a super-2 number, since 2×1122121333312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212133297 and 112212133306.

It is not an unprimeable number, because it can be changed into a prime (112212133351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101270 + ... + 3137243.

It is an arithmetic number, because the mean of its divisors is an integer number (28054597458).

Almost surely, 2112212133331 is an apocalyptic number.

112212133331 is a deficient number, since it is larger than the sum of its proper divisors (6256501).

112212133331 is an equidigital number, since it uses as much as digits as its factorization.

112212133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256500.

The product of its digits is 648, while the sum is 23.

Adding to 112212133331 its reverse (133331212211), we get a palindrome (245543345542).

The spelling of 112212133331 in words is "one hundred twelve billion, two hundred twelve million, one hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 17987 6238513 112212133331