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12204430222441 = 19197116357431
BaseRepresentation
bin1011000110011001000010…
…1110100110010001101001
31121012201202201121101222111
42301212100232212101221
53044424133114104231
641542345435122321
72366512105150642
oct261462056462151
947181681541874
1012204430222441
113985962767766
121451372ba33a1
136a6b467c4052
143029aa2046c9
151626ea29d4b1
hexb1990ba6469

12204430222441 has 4 divisors (see below), whose sum is σ = 12204438499584. Its totient is φ = 12204421945300.

The previous prime is 12204430222381. The next prime is 12204430222451. The reversal of 12204430222441 is 14422203440221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12204430222441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204430222451) 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, 1259005 + ... + 5098426.

It is an arithmetic number, because the mean of its divisors is an integer number (3051109624896).

Almost surely, 212204430222441 is an apocalyptic number.

It is an amenable number.

12204430222441 is a deficient number, since it is larger than the sum of its proper divisors (8277143).

12204430222441 is an equidigital number, since it uses as much as digits as its factorization.

12204430222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277142.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 12204430222441 its reverse (14422203440221), we get a palindrome (26626633662662).

The spelling of 12204430222441 in words is "twelve trillion, two hundred four billion, four hundred thirty million, two hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 1919711 6357431 12204430222441