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12200032400000 = 2755101311971
BaseRepresentation
bin1011000110001000101010…
…0110001111001010000000
31121012022102020022212201212
42301202022212033022000
53044341131243300000
641540341214345252
72366265114242114
oct261421246171200
947168366285655
1012200032400000
113984006265665
1214505461bb228
136a65c5644253
143026b00d5744
1516253e144c35
hexb188a98f280

12200032400000 has 384 divisors, whose sum is σ = 30810124275840. Its totient is φ = 4811200000000.

The previous prime is 12200032399991. The next prime is 12200032400021. The reversal of 12200032400000 is 423000221.

It is a super-2 number, since 2×122000324000002 (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 12564399515 + ... + 12564400485.

It is an arithmetic number, because the mean of its divisors is an integer number (80234698635).

Almost surely, 212200032400000 is an apocalyptic number.

12200032400000 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 12200032400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15405062137920).

12200032400000 is an abundant number, since it is smaller than the sum of its proper divisors (18610091875840).

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

12200032400000 is an frugal number, since it uses more digits than its factorization.

12200032400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 12200032400000 its reverse (423000221), we get a palindrome (12200455400221).

The spelling of 12200032400000 in words is "twelve trillion, two hundred billion, thirty-two million, four hundred thousand".