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12012111022001 = 192179290140601
BaseRepresentation
bin1010111011001100100110…
…0111000100011110110001
31120112100100200002202200212
42232303021213010132301
53033301300410201001
641314142043153505
72346563211005366
oct256631147043661
946470320082625
1012012111022001
1139113425759a2
12142003b815895
136919778569ac
142d756425a46d
1515c6e12c17bb
hexaecc99c47b1

12012111022001 has 8 divisors (see below), whose sum is σ = 12650130247200. Its totient is φ = 11374672082400.

The previous prime is 12012111021947. The next prime is 12012111022003. The reversal of 12012111022001 is 10022011121021.

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

It is a cyclic number.

It is not a de Polignac number, because 12012111022001 - 226 = 12012043913137 is a prime.

It is a super-2 number, since 2×120121110220012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012111022003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145028900 + ... + 145111701.

It is an arithmetic number, because the mean of its divisors is an integer number (1581266280900).

Almost surely, 212012111022001 is an apocalyptic number.

It is an amenable number.

12012111022001 is a deficient number, since it is larger than the sum of its proper divisors (638019225199).

12012111022001 is a wasteful number, since it uses less digits than its factorization.

12012111022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290142799.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012111022001 its reverse (10022011121021), we get a palindrome (22034122143022).

The spelling of 12012111022001 in words is "twelve trillion, twelve billion, one hundred eleven million, twenty-two thousand, one".

Divisors: 1 19 2179 41401 290140601 5512671419 632216369579 12012111022001