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12242224221 = 310194004653
BaseRepresentation
bin10110110011011000…
…11000010001011101
31011121011220102111220
423121230120101131
5200033002133341
65342441203553
7612242121543
oct133154302135
934534812456
1012242224221
115212464287
122457a905b9
1312013b3b76
14841c71d93
154b9b6aa66
hex2d9b1845d

12242224221 has 8 divisors (see below), whose sum is σ = 16338988320. Its totient is φ = 8153471472.

The previous prime is 12242224219. The next prime is 12242224303.

12242224221 is nontrivially palindromic in base 10.

12242224221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12242224221 - 21 = 12242224219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12242224191 and 12242224200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242226221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1999270 + ... + 2005383.

It is an arithmetic number, because the mean of its divisors is an integer number (2042373540).

Almost surely, 212242224221 is an apocalyptic number.

It is an amenable number.

12242224221 is a deficient number, since it is larger than the sum of its proper divisors (4096764099).

12242224221 is a wasteful number, since it uses less digits than its factorization.

12242224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005675.

The product of its digits is 2048, while the sum is 24.

The spelling of 12242224221 in words is "twelve billion, two hundred forty-two million, two hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 1019 3057 4004653 12013959 4080741407 12242224221