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12031222032123 = 37191271162120431
BaseRepresentation
bin1010111100010011110010…
…1101110010011011111011
31120121011200112211200002120
42233010330231302123323
53034104420320011443
641331022254332323
72351140616631150
oct257047455623373
946534615750076
1012031222032123
11391945a202738
121423893aba0a3
13693701cc14c8
142d8458450227
1515ce5de88083
hexaf13cb726fb

12031222032123 has 64 divisors (see below), whose sum is σ = 19452780871680. Its totient is φ = 6460985865600.

The previous prime is 12031222032101. The next prime is 12031222032149. The reversal of 12031222032123 is 32123022213021.

It is not a de Polignac number, because 12031222032123 - 212 = 12031222028027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031222032093 and 12031222032102.

It is not an unprimeable number, because it can be changed into a prime (12031222032223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 588860718 + ... + 588881148.

It is an arithmetic number, because the mean of its divisors is an integer number (303949701120).

Almost surely, 212031222032123 is an apocalyptic number.

12031222032123 is a deficient number, since it is larger than the sum of its proper divisors (7421558839557).

12031222032123 is a wasteful number, since it uses less digits than its factorization.

12031222032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32208.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12031222032123 its reverse (32123022213021), we get a palindrome (44154244245144).

The spelling of 12031222032123 in words is "twelve trillion, thirty-one billion, two hundred twenty-two million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 3 7 19 21 57 127 133 381 399 889 2413 2667 7239 11621 16891 20431 34863 50673 61293 81347 143017 220799 244041 388189 429051 662397 1164567 1475867 1545593 2594737 2717323 4427601 4636779 7784211 8151969 10331069 18163159 28041473 30993207 49300003 54489477 84124419 147900009 196290311 237428651 345100021 588870933 712285953 1035300063 1662000557 4511144369 4986001671 13533433107 30153438677 31578010583 90460316031 94734031749 211074070739 572915334863 633222212217 1718746004589 4010407344041 12031222032123