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12012012022011 = 312631131699567
BaseRepresentation
bin1010111011001100001110…
…1101011010100011111011
31120112100002202211001020120
42232303003231122203323
53033301100034201021
641314124145224323
72346560566346601
oct256630355324373
946470082731216
1012012012022011
1139112a16a7821
1214200126320a3
136919601a3411
142d7555049871
1515c6d77682c6
hexaecc3b5a8fb

12012012022011 has 8 divisors (see below), whose sum is σ = 16016143332864. Its totient is φ = 8007944362920.

The previous prime is 12012012021991. The next prime is 12012012022027. The reversal of 12012012022011 is 11022021021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012012022011 - 27 = 12012012021883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012012022811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15470851 + ... + 16228716.

It is an arithmetic number, because the mean of its divisors is an integer number (2002017916608).

Almost surely, 212012012022011 is an apocalyptic number.

12012012022011 is a deficient number, since it is larger than the sum of its proper divisors (4004131310853).

12012012022011 is a wasteful number, since it uses less digits than its factorization.

12012012022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31825881.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012012022011 its reverse (11022021021021), we get a palindrome (23034033043032).

The spelling of 12012012022011 in words is "twelve trillion, twelve billion, twelve million, twenty-two thousand, eleven".

Divisors: 1 3 126311 378933 31699567 95098701 4004004007337 12012012022011