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12012011110012 = 2241279126242913
BaseRepresentation
bin1010111011001100001110…
…1001111011111001111100
31120112100002201002201012211
42232303003221323321330
53033301044321010022
641314124113510204
72346560555530654
oct256630351737174
946470081081184
1012012011110012
1139112a1134601
121420012272364
1369195cc44284
142d7554c8d364
1515c6d7637e77
hexaecc3a7be7c

12012011110012 has 24 divisors (see below), whose sum is σ = 21541443471072. Its totient is φ = 5857417958400.

The previous prime is 12012011109997. The next prime is 12012011110031. The reversal of 12012011110012 is 21001111021021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012011109974 and 12012011110001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12663733 + ... + 13579180.

It is an arithmetic number, because the mean of its divisors is an integer number (897560144628).

Almost surely, 212012011110012 is an apocalyptic number.

It is an amenable number.

12012011110012 is a deficient number, since it is larger than the sum of its proper divisors (9529432361060).

12012011110012 is a wasteful number, since it uses less digits than its factorization.

12012011110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26245749 (or 26245747 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12012011110012 its reverse (21001111021021), we get a palindrome (33013122131033).

The spelling of 12012011110012 in words is "twelve trillion, twelve billion, eleven million, one hundred ten thousand, twelve".

Divisors: 1 2 4 41 82 164 2791 5582 11164 114431 228862 457724 26242913 52485826 104971652 1075959433 2151918866 4303837732 73243970183 146487940366 292975880732 3003002777503 6006005555006 12012011110012