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12230203203 = 34532848871
BaseRepresentation
bin10110110001111101…
…00001011101000011
31011120100021200210000
423120332201131003
5200021413000303
65341331411043
7612035004051
oct133076413503
934510250700
1012230203203
1152066a3759
122453a53a83
1311cba6543a
148404231d1
154b8a93da3
hex2d8fa1743

12230203203 has 20 divisors (see below), whose sum is σ = 18614529648. Its totient is φ = 7999626960.

The previous prime is 12230203201. The next prime is 12230203213. The reversal of 12230203203 is 30230203221.

It is a happy number.

It is not a de Polignac number, because 12230203203 - 21 = 12230203201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12230203201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1420143 + ... + 1428728.

Almost surely, 212230203203 is an apocalyptic number.

12230203203 is a deficient number, since it is larger than the sum of its proper divisors (6384326445).

12230203203 is an equidigital number, since it uses as much as digits as its factorization.

12230203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848936 (or 2848927 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12230203203 its sum of digits (18), we get a palindrome (12230203221).

Adding to 12230203203 its reverse (30230203221), we get a palindrome (42460406424).

The spelling of 12230203203 in words is "twelve billion, two hundred thirty million, two hundred three thousand, two hundred three".

Divisors: 1 3 9 27 53 81 159 477 1431 4293 2848871 8546613 25639839 76919517 150990163 230758551 452970489 1358911467 4076734401 12230203203