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12231323203 = 1123311559521
BaseRepresentation
bin10110110010000101…
…10010111001000011
31011120102101121010111
423121002302321003
5200022204320303
65341411412151
7612050350261
oct133102627103
934512347114
1012231323203
115207299180
1224542b4057
1311cc068168
14840635431
154b8c15b6d
hex2d90b2e43

12231323203 has 16 divisors (see below), whose sum is σ = 14372554752. Its totient is φ = 10292832000.

The previous prime is 12231323201. The next prime is 12231323213. The reversal of 12231323203 is 30232313221.

It is not a de Polignac number, because 12231323203 - 21 = 12231323201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231323201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771918 + ... + 787603.

It is an arithmetic number, because the mean of its divisors is an integer number (898284672).

Almost surely, 212231323203 is an apocalyptic number.

12231323203 is a deficient number, since it is larger than the sum of its proper divisors (2141231549).

12231323203 is a wasteful number, since it uses less digits than its factorization.

12231323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559586.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12231323203 its reverse (30232313221), we get a palindrome (42463636424).

The spelling of 12231323203 in words is "twelve billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred three".

Divisors: 1 11 23 31 253 341 713 7843 1559521 17154731 35868983 48345151 394558813 531796661 1111938473 12231323203