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12312230032123 = 717477972762063
BaseRepresentation
bin1011001100101010101000…
…0110001111001011111011
31121121001000110222010122021
42303022222012033023323
53103210421342011443
642104054351135311
72410346352340240
oct263125206171373
947531013863567
1012312230032123
113a1765096826a
12146a238b14537
136b4066223a98
14307cb50db5c7
1516540913c9ed
hexb32aa18f2fb

12312230032123 has 32 divisors (see below), whose sum is σ = 15234926321664. Its totient is φ = 9709023570432.

The previous prime is 12312230032121. The next prime is 12312230032171. The reversal of 12312230032123 is 32123003221321.

It is a cyclic number.

It is not a de Polignac number, because 12312230032123 - 21 = 12312230032121 is a prime.

It is a super-3 number, since 3×123122300321233 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12312230032121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3076590 + ... + 5838652.

It is an arithmetic number, because the mean of its divisors is an integer number (476091447552).

Almost surely, 212312230032123 is an apocalyptic number.

12312230032123 is a deficient number, since it is larger than the sum of its proper divisors (2922696289541).

12312230032123 is a wasteful number, since it uses less digits than its factorization.

12312230032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762931.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12312230032123 its reverse (32123003221321), we get a palindrome (44435233253444).

The spelling of 12312230032123 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 7 17 47 119 329 797 799 5579 5593 13549 37459 94843 262213 636803 2762063 4457621 19334441 46955071 129816961 328685497 908718727 2201364211 2206888337 15409549477 15448218359 37423191587 103464117917 261962341109 724248825419 1758890004589 12312230032123