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12102111300 = 22352172372963
BaseRepresentation
bin10110100010101011…
…11001000001000100
31011020102020221201110
423101111321001010
5144241120030200
65320514125020
7605621151216
oct132125710104
934212227643
1012102111300
115150365384
122418b80770
1311ab367306
1482b3dc5b6
154ac6e0b50
hex2d1579044

12102111300 has 72 divisors (see below), whose sum is σ = 37075189536. Its totient is φ = 3037391360.

The previous prime is 12102111277. The next prime is 12102111337. The reversal of 12102111300 is 311120121.

It is a super-3 number, since 3×121021113003 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1181382 + ... + 1191581.

It is an arithmetic number, because the mean of its divisors is an integer number (514933188).

Almost surely, 212102111300 is an apocalyptic number.

12102111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102111300 is an abundant number, since it is smaller than the sum of its proper divisors (24973078236).

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

12102111300 is a wasteful number, since it uses less digits than its factorization.

12102111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372997 (or 2372990 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12102111300 its reverse (311120121), we get a palindrome (12413231421).

The spelling of 12102111300 in words is "twelve billion, one hundred two million, one hundred eleven thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 25 30 34 50 51 60 68 75 85 100 102 150 170 204 255 300 340 425 510 850 1020 1275 1700 2550 5100 2372963 4745926 7118889 9491852 11864815 14237778 23729630 28475556 35594445 40340371 47459260 59324075 71188890 80680742 118648150 121021113 142377780 161361484 177972225 201701855 237296300 242042226 355944450 403403710 484084452 605105565 711888900 806807420 1008509275 1210211130 2017018550 2420422260 3025527825 4034037100 6051055650 12102111300