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12002021010000 = 243254719050827
BaseRepresentation
bin1010111010100111000000…
…1100101110101001010000
31120111101022110222001022200
42232221300030232221100
53033120114334310000
641305352523203200
72346055161220650
oct256516014565120
946441273861280
1012002021010000
113908034a715aa
12141a0a4676500
13690a2a311ca8
142d6c88186360
1515c300583500
hexaea7032ea50

12002021010000 has 300 divisors, whose sum is σ = 47968918057632. Its totient is φ = 2743318944000.

The previous prime is 12002021009981. The next prime is 12002021010019. The reversal of 12002021010000 is 1012020021.

It is an interprime number because it is at equal distance from previous prime (12002021009981) and next prime (12002021010019).

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8895414 + ... + 10155413.

Almost surely, 212002021010000 is an apocalyptic number.

12002021010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002021010000 is an abundant number, since it is smaller than the sum of its proper divisors (35966897047632).

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

12002021010000 is a wasteful number, since it uses less digits than its factorization.

12002021010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050868 (or 19050844 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12002021010000 its reverse (1012020021), we get a palindrome (12003033030021).

The spelling of 12002021010000 in words is "twelve trillion, two billion, twenty-one million, ten thousand".