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12102354120 = 2335313253321
BaseRepresentation
bin10110100010101101…
…10100010011001000
31011020102201021210210
423101112310103020
5144241200312440
65320523241120
7605623212153
oct132126642310
934212637723
1012102354120
11515051085a
1224190791a0
1311ab4209ac
1482b462c9a
154ac73ca80
hex2d15b44c8

12102354120 has 64 divisors (see below), whose sum is σ = 37478269440. Its totient is φ = 3123187200.

The previous prime is 12102354109. The next prime is 12102354139. The reversal of 12102354120 is 2145320121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622941 + ... + 1630380.

It is an arithmetic number, because the mean of its divisors is an integer number (585597960).

Almost surely, 212102354120 is an apocalyptic number.

12102354120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102354120 is an abundant number, since it is smaller than the sum of its proper divisors (25375915320).

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

12102354120 is a wasteful number, since it uses less digits than its factorization.

12102354120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253366 (or 3253362 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12102354120 its reverse (2145320121), we get a palindrome (14247674241).

The spelling of 12102354120 in words is "twelve billion, one hundred two million, three hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 3253321 6506642 9759963 13013284 16266605 19519926 26026568 32533210 39039852 48799815 65066420 78079704 97599630 100852951 130132840 195199260 201705902 302558853 390398520 403411804 504264755 605117706 806823608 1008529510 1210235412 1512794265 2017059020 2420470824 3025588530 4034118040 6051177060 12102354120