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12310312031202 = 234751343182259
BaseRepresentation
bin1011001100100011011111…
…0001101001001111100010
31121120212001210220121000010
42303020313301221033202
53103143004334444302
642103140153505350
72410251002525643
oct263106761511742
947525053817003
1012310312031202
113a16857237839
1214699a2712256
136b3b1ba599b3
14307b724a96ca
15165345a7616c
hexb3237c693e2

12310312031202 has 16 divisors (see below), whose sum is σ = 24621142819680. Its totient is φ = 4103350884192.

The previous prime is 12310312031189. The next prime is 12310312031231. The reversal of 12310312031202 is 20213021301321.

It is a super-2 number, since 2×123103120312022 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21306052 + ... + 21876207.

It is an arithmetic number, because the mean of its divisors is an integer number (1538821426230).

Almost surely, 212310312031202 is an apocalyptic number.

12310312031202 is an abundant number, since it is smaller than the sum of its proper divisors (12310830788478).

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

12310312031202 is a wasteful number, since it uses less digits than its factorization.

12310312031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43229777.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12310312031202 its reverse (20213021301321), we get a palindrome (32523333332523).

The spelling of 12310312031202 in words is "twelve trillion, three hundred ten billion, three hundred twelve million, thirty-one thousand, two hundred two".

Divisors: 1 2 3 6 47513 95026 142539 285078 43182259 86364518 129546777 259093554 2051718671867 4103437343734 6155156015601 12310312031202