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12012111032300 = 2252120121110323
BaseRepresentation
bin1010111011001100100110…
…0111000110111111101100
31120112100100200010021211022
42232303021213012333230
53033301300411013200
641314142043313312
72346563211050411
oct256631147067754
946470320107738
1012012111032300
113911342582705
12142003b81b838
1369197785b5a2
142d7564260108
1515c6e12c4885
hexaecc99c6fec

12012111032300 has 18 divisors (see below), whose sum is σ = 26066280940308. Its totient is φ = 4804844412880.

The previous prime is 12012111032293. The next prime is 12012111032309. The reversal of 12012111032300 is 323011121021.

It is a super-2 number, since 2×120121110323002 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012111032309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60060555062 + ... + 60060555261.

It is an arithmetic number, because the mean of its divisors is an integer number (1448126718906).

Almost surely, 212012111032300 is an apocalyptic number.

12012111032300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012111032300 is an abundant number, since it is smaller than the sum of its proper divisors (14054169908008).

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

12012111032300 is a wasteful number, since it uses less digits than its factorization.

12012111032300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120121110337 (or 120121110330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12012111032300 its reverse (323011121021), we get a palindrome (12335122153321).

The spelling of 12012111032300 in words is "twelve trillion, twelve billion, one hundred eleven million, thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 120121110323 240242220646 480484441292 600605551615 1201211103230 2402422206460 3003027758075 6006055516150 12012111032300