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12162212204 = 223139714227
BaseRepresentation
bin10110101001110110…
…01010000101101100
31011101121100101122212
423110323022011230
5144402011242304
65330502225552
7610251045422
oct132473120554
934347311585
1012162212204
11518128504a
1224351252b8
1311ba94b18c
148353a5112
154b2b1366e
hex2d4eca16c

12162212204 has 12 divisors (see below), whose sum is σ = 21351873144. Its totient is φ = 6061677024.

The previous prime is 12162212197. The next prime is 12162212221. The reversal of 12162212204 is 40221226121.

12162212204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12162212204.

It is an unprimeable number.

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, 4855862 + ... + 4858365.

It is an arithmetic number, because the mean of its divisors is an integer number (1779322762).

Almost surely, 212162212204 is an apocalyptic number.

It is an amenable number.

12162212204 is a deficient number, since it is larger than the sum of its proper divisors (9189660940).

12162212204 is a wasteful number, since it uses less digits than its factorization.

12162212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714544 (or 9714542 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12162212204 its reverse (40221226121), we get a palindrome (52383438325).

The spelling of 12162212204 in words is "twelve billion, one hundred sixty-two million, two hundred twelve thousand, two hundred four".

Divisors: 1 2 4 313 626 1252 9714227 19428454 38856908 3040553051 6081106102 12162212204