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12303431454212 = 22101347132766137
BaseRepresentation
bin1011001100001001110110…
…1010010100111000000100
31121120012022021220001210022
42303002131222110320010
53103034411423013322
642100041323114312
72406615333555503
oct263023552247004
947505267801708
1012303431454212
113a13946340478
1214685a2372998
136b3293408172
143076bc75883a
1516509199b942
hexb309da94e04

12303431454212 has 48 divisors (see below), whose sum is σ = 21823609828608. Its totient is φ = 6068586451200.

The previous prime is 12303431454203. The next prime is 12303431454239. The reversal of 12303431454212 is 21245413430321.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185996408 + ... + 186062544.

It is an arithmetic number, because the mean of its divisors is an integer number (454658538096).

Almost surely, 212303431454212 is an apocalyptic number.

It is an amenable number.

12303431454212 is a deficient number, since it is larger than the sum of its proper divisors (9520178374396).

12303431454212 is a wasteful number, since it uses less digits than its factorization.

12303431454212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67916 (or 67914 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 12303431454212 its reverse (21245413430321), we get a palindrome (33548844884533).

The spelling of 12303431454212 in words is "twelve trillion, three hundred three billion, four hundred thirty-one million, four hundred fifty-four thousand, two hundred twelve".

Divisors: 1 2 4 101 202 347 404 694 1327 1388 2654 5308 35047 66137 70094 132274 134027 140188 264548 268054 460469 536108 920938 1841876 6679837 13359674 22949539 26719348 45899078 46507369 87763799 91798156 93014738 175527598 186029476 351055196 2317903439 4635806878 8864143699 9271613756 17728287398 30454038253 35456574796 60908076506 121816153012 3075857863553 6151715727106 12303431454212