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12043100000 = 2555120431
BaseRepresentation
bin10110011011101001…
…10001111101100000
31011002022012212102202
423031310301331200
5144131013200000
65311005232332
7604303442501
oct131564617540
934068185382
1012043100000
11512001a308
1224012626a8
13119c075399
1482363aba8
154a7435dd5
hex2cdd31f60

12043100000 has 72 divisors (see below), whose sum is σ = 29635665696. Its totient is φ = 4817200000.

The previous prime is 12043099997. The next prime is 12043100023. The reversal of 12043100000 is 134021.

It is a happy number.

It is a super-2 number, since 2×120431000002 (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 11 ways as a sum of consecutive naturals, for example, 39785 + ... + 160215.

It is an arithmetic number, because the mean of its divisors is an integer number (411606468).

Almost surely, 212043100000 is an apocalyptic number.

12043100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12043100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14817832848).

12043100000 is an abundant number, since it is smaller than the sum of its proper divisors (17592565696).

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

12043100000 is an frugal number, since it uses more digits than its factorization.

12043100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120466 (or 120438 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12043100000 its reverse (134021), we get a palindrome (12043234021).

The spelling of 12043100000 in words is "twelve billion, forty-three million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 120431 240862 481724 602155 963448 1204310 1926896 2408620 3010775 3853792 4817240 6021550 9634480 12043100 15053875 19268960 24086200 30107750 48172400 60215500 75269375 96344800 120431000 150538750 240862000 301077500 376346875 481724000 602155000 752693750 1204310000 1505387500 2408620000 3010775000 6021550000 12043100000