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12000220001000 = 2353721131799091
BaseRepresentation
bin1010111010100000010011…
…0110011011001011101000
31120111012122222001022102122
42232220010312123023220
53033102422310013000
641304454105250412
72345662432001600
oct256500466331350
946435588038378
1012000220001000
1139072a0388910
121419881493a08
1369080115a8aa
142d6b56cc9c00
1515c2473cb085
hexaea04d9b2e8

12000220001000 has 768 divisors, whose sum is σ = 37253866291200. Its totient is φ = 3573460800000.

The previous prime is 12000220000991. The next prime is 12000220001041. The reversal of 12000220001000 is 10002200021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1320006455 + ... + 1320015545.

It is an arithmetic number, because the mean of its divisors is an integer number (48507638400).

Almost surely, 212000220001000 is an apocalyptic number.

12000220001000 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 12000220001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18626933145600).

12000220001000 is an abundant number, since it is smaller than the sum of its proper divisors (25253646290200).

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

12000220001000 is a wasteful number, since it uses less digits than its factorization.

12000220001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9226 counting only the distinct ones).

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

Adding to 12000220001000 its reverse (10002200021), we get a palindrome (12010222201021).

The spelling of 12000220001000 in words is "twelve trillion, two hundred twenty million, one thousand".