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12231012332 = 22711101569691
BaseRepresentation
bin10110110010000011…
…00110111111101100
31011120101210210200202
423121001212333230
5200022114343312
65341401013032
7612044614040
oct133101467754
934511723622
1012231012332
1152070a6660
122454184178
1311cbc89806
14840594020
154b8ba39c2
hex2d9066fec

12231012332 has 96 divisors (see below), whose sum is σ = 27036495360. Its totient is φ = 4703040000.

The previous prime is 12231012331. The next prime is 12231012359. The reversal of 12231012332 is 23321013221.

It is not an unprimeable number, because it can be changed into a prime (12231012331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17700107 + ... + 17700797.

It is an arithmetic number, because the mean of its divisors is an integer number (281630160).

Almost surely, 212231012332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231012332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518247680).

12231012332 is an abundant number, since it is smaller than the sum of its proper divisors (14805483028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231012332 is a wasteful number, since it uses less digits than its factorization.

12231012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12231012332 its reverse (23321013221), we get a palindrome (35552025553).

The spelling of 12231012332 in words is "twelve billion, two hundred thirty-one million, twelve thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 101 154 202 308 404 569 691 707 1111 1138 1382 1414 2222 2276 2764 2828 3983 4444 4837 6259 7601 7777 7966 9674 12518 15202 15554 15932 19348 25036 30404 31108 43813 53207 57469 69791 87626 106414 114938 139582 175252 212828 229876 279164 393179 402283 488537 632159 767701 786358 804566 977074 1264318 1535402 1572716 1609132 1954148 2528636 2752253 3070804 4324969 4425113 5373907 5504506 8649938 8850226 10747814 11009012 17299876 17700452 21495628 30274783 39711079 60549566 79422158 121099132 158844316 277977553 436821869 555955106 873643738 1111910212 1747287476 3057753083 6115506166 12231012332