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12440224200000 = 2635589232963
BaseRepresentation
bin1011010100000111011100…
…1001001111010101000000
31122001021101121120112212110
42311001313021033111000
53112310034343400000
642242543214255320
72422530231662442
oct265016711172500
948037347515773
1012440224200000
113a66962276aa3
12148abb9ab7540
136c315368b7ac
14310178030492
151688ead3a850
hexb507724f540

12440224200000 has 336 divisors, whose sum is σ = 41603251596480. Its totient is φ = 3280104960000.

The previous prime is 12440224199983. The next prime is 12440224200007. The reversal of 12440224200000 is 242204421.

It is a self number, because there is not a number n which added to its sum of digits gives 12440224200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440224200007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53283519 + ... + 53516481.

It is an arithmetic number, because the mean of its divisors is an integer number (123819201180).

Almost surely, 212440224200000 is an apocalyptic number.

12440224200000 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 12440224200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20801625798240).

12440224200000 is an abundant number, since it is smaller than the sum of its proper divisors (29163027396480).

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

12440224200000 is an frugal number, since it uses more digits than its factorization.

12440224200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233092 (or 233062 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 12440224200000 its reverse (242204421), we get a palindrome (12440466404421).

The spelling of 12440224200000 in words is "twelve trillion, four hundred forty billion, two hundred twenty-four million, two hundred thousand".