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12102313300 = 22527111571729
BaseRepresentation
bin10110100010101101…
…01010010101010100
31011020102122012210221
423101112222111110
5144241143011200
65320522324124
7605622652150
oct132126522524
934212565727
1012102313300
115150493120
122419059644
1311ab40823c
1482b452060
154ac73091a
hex2d15aa554

12102313300 has 72 divisors (see below), whose sum is σ = 32742279360. Its totient is φ = 3772147200.

The previous prime is 12102313291. The next prime is 12102313337. The reversal of 12102313300 is 331320121.

It is a super-2 number, since 2×121023133002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778165 + ... + 793564.

It is an arithmetic number, because the mean of its divisors is an integer number (454753880).

Almost surely, 212102313300 is an apocalyptic number.

12102313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102313300 is an abundant number, since it is smaller than the sum of its proper divisors (20639966060).

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

12102313300 is a wasteful number, since it uses less digits than its factorization.

12102313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571761 (or 1571754 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12102313300 its reverse (331320121), we get a palindrome (12433633421).

The spelling of 12102313300 in words is "twelve billion, one hundred two million, three hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1540 1925 3850 7700 1571729 3143458 6286916 7858645 11002103 15717290 17289019 22004206 31434580 34578038 39293225 44008412 55010515 69156076 78586450 86445095 110021030 121023133 157172900 172890190 220042060 242046266 275052575 345780380 432225475 484092532 550105150 605115665 864450950 1100210300 1210231330 1728901900 2420462660 3025578325 6051156650 12102313300