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12101112223 = 591123182639
BaseRepresentation
bin10110100010100100…
…00101000110011111
31011020100101012020121
423101102011012133
5144240341042343
65320440455411
7605606520364
oct132122050637
934210335217
1012101112223
11514a8427a2
12241877a567
1311ab0a7645
1482b21c46b
154ac594aed
hex2d148519f

12101112223 has 8 divisors (see below), whose sum is σ = 12317241600. Its totient is φ = 11885350488.

The previous prime is 12101112203. The next prime is 12101112277. The reversal of 12101112223 is 32221110121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12101112223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101112197 and 12101112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101112203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25063 + ... + 157576.

It is an arithmetic number, because the mean of its divisors is an integer number (1539655200).

Almost surely, 212101112223 is an apocalyptic number.

12101112223 is a deficient number, since it is larger than the sum of its proper divisors (216129377).

12101112223 is a wasteful number, since it uses less digits than its factorization.

12101112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183821.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101112223 its reverse (32221110121), we get a palindrome (44322222344).

The spelling of 12101112223 in words is "twelve billion, one hundred one million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 59 1123 66257 182639 10775701 205103597 12101112223