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12222112130 = 251222211213
BaseRepresentation
bin10110110000111111…
…01010000110000010
31011112210001121220122
423120133222012002
5200012330042010
65340442140242
7611606144654
oct133037520602
934483047818
1012222112130
115202077818
1224511b1682
1311ca191717
1483d3186d4
154b7ee6855
hex2d87ea182

12222112130 has 8 divisors (see below), whose sum is σ = 21999801852. Its totient is φ = 4888844848.

The previous prime is 12222112103. The next prime is 12222112139. The reversal of 12222112130 is 3121122221.

It can be written as a sum of positive squares in 2 ways, for example, as 11996601841 + 225510289 = 109529^2 + 15017^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12222112099 and 12222112108.

It is not an unprimeable number, because it can be changed into a prime (12222112139) 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, 611105597 + ... + 611105616.

Almost surely, 212222112130 is an apocalyptic number.

12222112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222112130 is a deficient number, since it is larger than the sum of its proper divisors (9777689722).

12222112130 is a wasteful number, since it uses less digits than its factorization.

12222112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222211220.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12222112130 its reverse (3121122221), we get a palindrome (15343234351).

The spelling of 12222112130 in words is "twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 1222211213 2444422426 6111056065 12222112130