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12000120000001 = 742111351358733
BaseRepresentation
bin1010111010011111111011…
…1000111100111000000001
31120111012101222212201211221
42232213332320330320001
53033102221210000001
641304440134035041
72345660106003520
oct256477670747001
946435358781757
1012000120000001
113907249996661
121419853aa8a81
136907b65167c3
142d6b478d84b7
1515c23d7261a1
hexae9fee3ce01

12000120000001 has 16 divisors (see below), whose sum is σ = 13748248090368. Its totient is φ = 10260452664000.

The previous prime is 12000119999999. The next prime is 12000120000031. The reversal of 12000120000001 is 10000002100021.

It is not a de Polignac number, because 12000120000001 - 21 = 12000119999999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000120000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33272031 + ... + 33630763.

It is an arithmetic number, because the mean of its divisors is an integer number (859265505648).

Almost surely, 212000120000001 is an apocalyptic number.

It is an amenable number.

12000120000001 is a deficient number, since it is larger than the sum of its proper divisors (1748128090367).

12000120000001 is a wasteful number, since it uses less digits than its factorization.

12000120000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370512.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12000120000001 its reverse (10000002100021), we get a palindrome (22000122100022).

The spelling of 12000120000001 in words is "twelve trillion, one hundred twenty million, one", and thus it is an aban number.

Divisors: 1 7 421 2947 11351 79457 358733 2511131 4778771 33451397 151026593 1057186151 4071978283 28503847981 1714302857143 12000120000001