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12130122300 = 2235240433741
BaseRepresentation
bin10110100110000001…
…01111101000111100
31011022100222001120220
423103000233220330
5144320302403200
65323354341340
7606411224022
oct132300575074
934270861526
1012130122300
11516515746a
12242642a850
1311b40c3b7a
14831010712
154aedc54a0
hex2d302fa3c

12130122300 has 36 divisors (see below), whose sum is σ = 35096488056. Its totient is φ = 3234699200.

The previous prime is 12130122299. The next prime is 12130122359. The reversal of 12130122300 is 322103121.

12130122300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12130122300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20216571 + ... + 20217170.

It is an arithmetic number, because the mean of its divisors is an integer number (974902446).

Almost surely, 212130122300 is an apocalyptic number.

12130122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130122300 is an abundant number, since it is smaller than the sum of its proper divisors (22966365756).

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

12130122300 is a wasteful number, since it uses less digits than its factorization.

12130122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433758 (or 40433751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12130122300 its reverse (322103121), we get a palindrome (12452225421).

The spelling of 12130122300 in words is "twelve billion, one hundred thirty million, one hundred twenty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 40433741 80867482 121301223 161734964 202168705 242602446 404337410 485204892 606506115 808674820 1010843525 1213012230 2021687050 2426024460 3032530575 4043374100 6065061150 12130122300