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12225034211 = 13940387247
BaseRepresentation
bin10110110001010101…
…10011011111100011
31011112222120002020212
423120222303133203
5200014102043321
65341024524335
7611643035105
oct133052633743
934488502225
1012225034211
115203793165
1224521806ab
1311ca975770
1483d879575
154b83c255b
hex2d8ab37e3

12225034211 has 4 divisors (see below), whose sum is σ = 13165421472. Its totient is φ = 11284646952.

The previous prime is 12225034183. The next prime is 12225034223. The reversal of 12225034211 is 11243052221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12225034211 - 210 = 12225033187 is a prime.

It is a super-2 number, since 2×122250342112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225034231) 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, 470193611 + ... + 470193636.

It is an arithmetic number, because the mean of its divisors is an integer number (3291355368).

Almost surely, 212225034211 is an apocalyptic number.

12225034211 is a deficient number, since it is larger than the sum of its proper divisors (940387261).

12225034211 is an equidigital number, since it uses as much as digits as its factorization.

12225034211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940387260.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12225034211 its reverse (11243052221), we get a palindrome (23468086432).

The spelling of 12225034211 in words is "twelve billion, two hundred twenty-five million, thirty-four thousand, two hundred eleven".

Divisors: 1 13 940387247 12225034211