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12011211102000 = 24353111791915323
BaseRepresentation
bin1010111011001001001111…
…1110001001011100110000
31120112021000221202002112110
42232302103332021130300
53033242430020231000
641313512454525320
72346532002552045
oct256622376113460
946467027662473
1012011211102000
113910a20598760
12141ba2a366840
1369186328a856
142d74ba9211cc
1515c68c2ad850
hexaec93f89730

12011211102000 has 640 divisors, whose sum is σ = 42710957752320. Its totient is φ = 2879840640000.

The previous prime is 12011211101999. The next prime is 12011211102041. The reversal of 12011211102000 is 20111211021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2256471339 + ... + 2256476661.

It is an arithmetic number, because the mean of its divisors is an integer number (66735871488).

Almost surely, 212011211102000 is an apocalyptic number.

12011211102000 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 12011211102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21355478876160).

12011211102000 is an abundant number, since it is smaller than the sum of its proper divisors (30699746650320).

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

12011211102000 is a wasteful number, since it uses less digits than its factorization.

12011211102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011211102000 its reverse (20111211021), we get a palindrome (12031322313021).

The spelling of 12011211102000 in words is "twelve trillion, eleven billion, two hundred eleven million, one hundred two thousand".