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12012010022012 = 227111340111936271
BaseRepresentation
bin1010111011001100001110…
…0101110010010001111100
31120112100002122001102202112
42232303003211302101330
53033301044031201022
641314124034313152
72346560543346650
oct256630345622174
946470078042675
1012012010022012
1139112a0561130
121420011a287b8
1369195c952ca0
142d7554a88a60
1515c6d74c08e2
hexaecc397247c

12012010022012 has 192 divisors, whose sum is σ = 28322640396288. Its totient is φ = 4304931840000.

The previous prime is 12012010021951. The next prime is 12012010022081. The reversal of 12012010022012 is 21022001021021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1915482437 + ... + 1915488707.

It is an arithmetic number, because the mean of its divisors is an integer number (147513752064).

Almost surely, 212012010022012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012010022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14161320198144).

12012010022012 is an abundant number, since it is smaller than the sum of its proper divisors (16310630374276).

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

12012010022012 is a wasteful number, since it uses less digits than its factorization.

12012010022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7898 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012010022012 its reverse (21022001021021), we get a palindrome (33034011043033).

Subtracting 12012010022012 from its reverse (21022001021021), we obtain a palindrome (9009990999009).

The spelling of 12012010022012 in words is "twelve trillion, twelve billion, ten million, twenty-two thousand, twelve".