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12002010011001 = 324743128115719
BaseRepresentation
bin1010111010100110111110…
…0010110001010101111001
31120111101021201021020112100
42232221233202301111321
53033120104030323001
641305351451334013
72346054665560623
oct256515742612571
946441251236470
1012002010011001
11390802983991a
12141a0a0a51309
13690a27c607ca
142d6c86921c13
1515c2ee60e586
hexaea6f8b1579

12002010011001 has 12 divisors (see below), whose sum is σ = 17336602803520. Its totient is φ = 8001171028440.

The previous prime is 12002010010981. The next prime is 12002010011053. The reversal of 12002010011001 is 10011001020021.

It is a happy number.

It is not a de Polignac number, because 12002010011001 - 227 = 12001875793273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002010011071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13630981 + ... + 14484738.

Almost surely, 212002010011001 is an apocalyptic number.

It is an amenable number.

12002010011001 is a deficient number, since it is larger than the sum of its proper divisors (5334592792519).

12002010011001 is a wasteful number, since it uses less digits than its factorization.

12002010011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28163156 (or 28163153 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12002010011001 its reverse (10011001020021), we get a palindrome (22013011031022).

The spelling of 12002010011001 in words is "twelve trillion, two billion, ten million, eleven thousand, one".

Divisors: 1 3 9 47431 142293 426879 28115719 84347157 253041471 1333556667889 4000670003667 12002010011001