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12201231030300 = 223252137316387641
BaseRepresentation
bin1011000110001101001000…
…0010101001100000011100
31121012102111202202121101200
42301203102002221200130
53044401110120432200
641541100153235500
72366336610364104
oct261432202514034
947172452677350
1012201231030300
113984570916314
12145081b702b90
136a6756a79150
1430278538a204
151625ae4ae800
hexb18d20a981c

12201231030300 has 432 divisors, whose sum is σ = 42006739084128. Its totient is φ = 2944030924800.

The previous prime is 12201231030223. The next prime is 12201231030319. The reversal of 12201231030300 is 303013210221.

12201231030300 is a `hidden beast` number, since 1 + 2 + 20 + 1 + 2 + 310 + 30 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 143 ways as a sum of consecutive naturals, for example, 139174480 + ... + 139262120.

It is an arithmetic number, because the mean of its divisors is an integer number (97237821954).

Almost surely, 212201231030300 is an apocalyptic number.

12201231030300 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 12201231030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21003369542064).

12201231030300 is an abundant number, since it is smaller than the sum of its proper divisors (29805508053828).

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

12201231030300 is a wasteful number, since it uses less digits than its factorization.

12201231030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87910 (or 87900 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12201231030300 its reverse (303013210221), we get a palindrome (12504244240521).

The spelling of 12201231030300 in words is "twelve trillion, two hundred one billion, two hundred thirty-one million, thirty thousand, three hundred".