Search a number
-
+
12030301212220 = 2255691057144219
BaseRepresentation
bin1010111100010000010111…
…0101001000111000111100
31120121002022101011011122201
42233010011311020320330
53034101024102242340
641330351042121244
72351106036040054
oct257040565107074
946532271134581
1012030301212220
113919027450055
121423677650224
136935b62b8465
142d83ac034564
1515ce081e779a
hexaf105d48e3c

12030301212220 has 24 divisors (see below), whose sum is σ = 25308032626800. Its totient is φ = 4803663326592.

The previous prime is 12030301212203. The next prime is 12030301212233. The reversal of 12030301212220 is 2221210303021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528560730 + ... + 528583489.

It is an arithmetic number, because the mean of its divisors is an integer number (1054501359450).

Almost surely, 212030301212220 is an apocalyptic number.

12030301212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030301212220 is an abundant number, since it is smaller than the sum of its proper divisors (13277731414580).

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

12030301212220 is a wasteful number, since it uses less digits than its factorization.

12030301212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057144797 (or 1057144795 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12030301212220 its reverse (2221210303021), we get a palindrome (14251511515241).

The spelling of 12030301212220 in words is "twelve trillion, thirty billion, three hundred one million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 569 1138 2276 2845 5690 11380 1057144219 2114288438 4228576876 5285721095 10571442190 21142884380 601515060611 1203030121222 2406060242444 3007575303055 6015150606110 12030301212220