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12421240410000 = 24354877472111
BaseRepresentation
bin1011010011000000101110…
…0111110100111110010000
31121222110101121020002200010
42310300023213310332100
53112002200021110000
642230123345554520
72421255626302062
oct264601347647620
947873347202603
1012421240410000
113a59900432654
1214873a0345a40
136c14196a8366
1430d296ab5732
15168189403d50
hexb4c0b9f4f90

12421240410000 has 200 divisors, whose sum is σ = 40143226355584. Its totient is φ = 3308546880000.

The previous prime is 12421240409971. The next prime is 12421240410043. The reversal of 12421240410000 is 1404212421.

12421240410000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26073945 + ... + 26546055.

Almost surely, 212421240410000 is an apocalyptic number.

12421240410000 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 12421240410000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20071613177792).

12421240410000 is an abundant number, since it is smaller than the sum of its proper divisors (27721985945584).

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

12421240410000 is an equidigital number, since it uses as much as digits as its factorization.

12421240410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473019 (or 472998 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12421240410000 its reverse (1404212421), we get a palindrome (12422644622421).

The spelling of 12421240410000 in words is "twelve trillion, four hundred twenty-one billion, two hundred forty million, four hundred ten thousand".