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12001201030001 = 93711280674531
BaseRepresentation
bin1010111010100011111101…
…0100110000001101110001
31120111022012100000202020002
42232220333110300031301
53033111424430430001
641305135312155345
72346025643420501
oct256507724601561
946438170022202
1012001201030001
113907754124487
121419ab5b38b55
13690929484b21
142d6c0b2d9a01
1515c2a35b146b
hexaea3f530371

12001201030001 has 4 divisors (see below), whose sum is σ = 12002481713904. Its totient is φ = 11999920346100.

The previous prime is 12001201029973. The next prime is 12001201030079. The reversal of 12001201030001 is 10003010210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001201030001 - 210 = 12001201028977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001201020001) 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 3 ways as a sum of consecutive naturals, for example, 640327895 + ... + 640346636.

It is an arithmetic number, because the mean of its divisors is an integer number (3000620428476).

Almost surely, 212001201030001 is an apocalyptic number.

It is an amenable number.

12001201030001 is a deficient number, since it is larger than the sum of its proper divisors (1280683903).

12001201030001 is an equidigital number, since it uses as much as digits as its factorization.

12001201030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280683902.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12001201030001 its reverse (10003010210021), we get a palindrome (22004211240022).

The spelling of 12001201030001 in words is "twelve trillion, one billion, two hundred one million, thirty thousand, one".

Divisors: 1 9371 1280674531 12001201030001