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12012102222 = 2323285730467
BaseRepresentation
bin10110010111111101…
…00010001001001110
31011000010220000110220
423023332202021032
5144100044232342
65303541012210
7603446120121
oct131376421116
934003800426
1012012102222
11510457820a
1223b29b4066
1311958111c3
1481d48c3b8
154a48615ec
hex2cbfa224e

12012102222 has 32 divisors (see below), whose sum is σ = 25078332672. Its totient is φ = 3828479424.

The previous prime is 12012102217. The next prime is 12012102287. The reversal of 12012102222 is 22220121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379033 + ... + 409499.

It is an arithmetic number, because the mean of its divisors is an integer number (783697896).

Almost surely, 212012102222 is an apocalyptic number.

12012102222 is an abundant number, since it is smaller than the sum of its proper divisors (13066230450).

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

12012102222 is a wasteful number, since it uses less digits than its factorization.

12012102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33352.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12012102222 its reverse (22220121021), we get a palindrome (34232223243).

The spelling of 12012102222 in words is "twelve billion, twelve million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 2857 5714 8571 17142 30467 60934 65711 91401 131422 182802 197133 394266 700741 1401482 2102223 4204446 87044219 174088438 261132657 522265314 2002017037 4004034074 6006051111 12012102222