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12231021302 = 252311879851
BaseRepresentation
bin10110110010000011…
…01001001011110110
31011120101211020222222
423121001221023312
5200022120140202
65341401122342
7612044652143
oct133101511366
934511736888
1012231021302
115207102375
1224541893b2
1311cbc90916
148405973ca
154b8ba64a2
hex2d90692f6

12231021302 has 16 divisors (see below), whose sum is σ = 18398964672. Its totient is φ = 6098056200.

The previous prime is 12231021293. The next prime is 12231021307. The reversal of 12231021302 is 20312013221.

12231021302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231021307) 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, 1236677 + ... + 1246527.

It is an arithmetic number, because the mean of its divisors is an integer number (1149935292).

Almost surely, 212231021302 is an apocalyptic number.

12231021302 is a deficient number, since it is larger than the sum of its proper divisors (6167943370).

12231021302 is a wasteful number, since it uses less digits than its factorization.

12231021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12231021302 its reverse (20312013221), we get a palindrome (32543034523).

The spelling of 12231021302 in words is "twelve billion, two hundred thirty-one million, twenty-one thousand, three hundred two".

Divisors: 1 2 523 1046 1187 2374 9851 19702 620801 1241602 5152073 10304146 11693137 23386274 6115510651 12231021302