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12002011012001 = 98711215886031
BaseRepresentation
bin1010111010100110111110…
…0110100101101110100001
31120111101021210011002122102
42232221233212211232201
53033120104304341001
641305351525020145
72346055010230163
oct256515746455641
946441253132572
1012002011012001
11390802a36299a
12141a0a1254655
13690a2822130a
142d6c86b02933
1515c2ee75ae6b
hexaea6f9a5ba1

12002011012001 has 4 divisors (see below), whose sum is σ = 12003226907904. Its totient is φ = 12000795116100.

The previous prime is 12002011011973. The next prime is 12002011012003. The reversal of 12002011012001 is 10021011020021.

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 a de Polignac number, because none of the positive numbers 2k-12002011012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002011012003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607933145 + ... + 607952886.

It is an arithmetic number, because the mean of its divisors is an integer number (3000806726976).

Almost surely, 212002011012001 is an apocalyptic number.

It is an amenable number.

12002011012001 is a deficient number, since it is larger than the sum of its proper divisors (1215895903).

12002011012001 is an equidigital number, since it uses as much as digits as its factorization.

12002011012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215895902.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12002011012001 its reverse (10021011020021), we get a palindrome (22023022032022).

The spelling of 12002011012001 in words is "twelve trillion, two billion, eleven million, twelve thousand, one".

Divisors: 1 9871 1215886031 12002011012001