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12222004434 = 2315712974527
BaseRepresentation
bin10110110000111110…
…01111110011010010
31011112202212011011220
423120133033303102
5200012313120214
65340435545510
7611605215663
oct133037176322
934482764156
1012222004434
115202003912
12245115b296
1311ca1546b3
1483d2cb36a
154b7ec49a9
hex2d87cfcd2

12222004434 has 16 divisors (see below), whose sum is σ = 24599705088. Its totient is φ = 4048052112.

The previous prime is 12222004433. The next prime is 12222004517. The reversal of 12222004434 is 43440022221.

It is not an unprimeable number, because it can be changed into a prime (12222004433) 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, 6486322 + ... + 6488205.

It is an arithmetic number, because the mean of its divisors is an integer number (1537481568).

Almost surely, 212222004434 is an apocalyptic number.

12222004434 is an abundant number, since it is smaller than the sum of its proper divisors (12377700654).

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

12222004434 is a wasteful number, since it uses less digits than its factorization.

12222004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974689.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12222004434 its reverse (43440022221), we get a palindrome (55662026655).

The spelling of 12222004434 in words is "twelve billion, two hundred twenty-two million, four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 157 314 471 942 12974527 25949054 38923581 77847162 2037000739 4074001478 6111002217 12222004434