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12103213122300 = 22352139290244919
BaseRepresentation
bin1011000000011111111110…
…1110000000001011111100
31120212001111201202222012210
42300013333232000023330
53041244340024403200
641424050033300420
72356266622043346
oct260077756001374
946761451688183
1012103213122300
113946a42306283
121435825704710
1369a435ab3911
142dbb27682296
1515ec7429b650
hexb01ffb802fc

12103213122300 has 72 divisors (see below), whose sum is σ = 35270562678400. Its totient is φ = 3204303894720.

The previous prime is 12103213122257. The next prime is 12103213122311. The reversal of 12103213122300 is 322131230121.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 145080760 + ... + 145164159.

Almost surely, 212103213122300 is an apocalyptic number.

12103213122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103213122300 is an abundant number, since it is smaller than the sum of its proper divisors (23167349556100).

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

12103213122300 is a wasteful number, since it uses less digits than its factorization.

12103213122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290245075 (or 290245068 counting only the distinct ones).

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

Adding to 12103213122300 its reverse (322131230121), we get a palindrome (12425344352421).

The spelling of 12103213122300 in words is "twelve trillion, one hundred three billion, two hundred thirteen million, one hundred twenty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 139 150 278 300 417 556 695 834 1390 1668 2085 2780 3475 4170 6950 8340 10425 13900 20850 41700 290244919 580489838 870734757 1160979676 1451224595 1741469514 2902449190 3482939028 4353673785 5804898380 7256122975 8707347570 14512245950 17414695140 21768368925 29024491900 40344043741 43536737850 80688087482 87073475700 121032131223 161376174964 201720218705 242064262446 403440437410 484128524892 605160656115 806880874820 1008601093525 1210321312230 2017202187050 2420642624460 3025803280575 4034404374100 6051606561150 12103213122300