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12011020012110 = 2357288391910069
BaseRepresentation
bin1010111011001000100010…
…0101001100101001001110
31120112020112122011201111010
42232302020211030221032
53033242032110341420
641313441511110050
72346524162404500
oct256621045145116
946466478151433
1012011020012110
113910932741029
12141b996372326
13691832803002
142d749d3bbd70
1515c67a6144e0
hexaec8894ca4e

12011020012110 has 192 divisors, whose sum is σ = 33610650278400. Its totient is φ = 2739010837248.

The previous prime is 12011020012109. The next prime is 12011020012111. The reversal of 12011020012110 is 1121002011021.

It is an interprime number because it is at equal distance from previous prime (12011020012109) and next prime (12011020012111).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011020012111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1192866156 + ... + 1192876224.

It is an arithmetic number, because the mean of its divisors is an integer number (175055470200).

Almost surely, 212011020012110 is an apocalyptic number.

12011020012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011020012110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16805325139200).

12011020012110 is an abundant number, since it is smaller than the sum of its proper divisors (21599630266290).

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

12011020012110 is a wasteful number, since it uses less digits than its factorization.

12011020012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895 (or 11888 counting only the distinct ones).

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

Adding to 12011020012110 its reverse (1121002011021), we get a palindrome (13132022023131).

The spelling of 12011020012110 in words is "twelve trillion, eleven billion, twenty million, twelve thousand, one hundred ten".