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12169910802 = 2371729191091
BaseRepresentation
bin10110101010110001…
…00001101000010010
31011102010211112011010
423111120201220102
5144410444121202
65331335231350
7610403351340
oct132530415022
934363745133
1012169910802
115185663125
122437818556
1311bc41536a
1483640a990
154b363476c
hex2d5621a12

12169910802 has 96 divisors (see below), whose sum is σ = 29608750080. Its totient is φ = 3266023680.

The previous prime is 12169910801. The next prime is 12169910803. The reversal of 12169910802 is 20801996121.

It is an interprime number because it is at equal distance from previous prime (12169910801) and next prime (12169910803).

It is not an unprimeable number, because it can be changed into a prime (12169910801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11154277 + ... + 11155367.

It is an arithmetic number, because the mean of its divisors is an integer number (308424480).

Almost surely, 212169910802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12169910802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14804375040).

12169910802 is an abundant number, since it is smaller than the sum of its proper divisors (17438839278).

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

12169910802 is a wasteful number, since it uses less digits than its factorization.

12169910802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 12169910802 in words is "twelve billion, one hundred sixty-nine million, nine hundred ten thousand, eight hundred two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 289 357 578 714 867 919 1091 1734 1838 2023 2182 2757 3273 4046 5514 6069 6433 6546 7637 12138 12866 15274 15623 18547 19299 22911 31246 37094 38598 45822 46869 55641 93738 109361 111282 129829 218722 259658 265591 315299 328083 389487 531182 630598 656166 778974 796773 945897 1002629 1593546 1859137 1891794 2005258 2207093 3007887 3718274 4414186 5577411 6015774 6621279 7018403 11154822 13242558 14036806 17044693 21055209 34089386 42110418 51134079 102268158 119312851 238625702 289759781 357938553 579519562 715877106 869279343 1738558686 2028318467 4056636934 6084955401 12169910802