Search a number
-
+
12002011210221 = 347353241134977
BaseRepresentation
bin1010111010100110111110…
…0111010110000111101101
31120111101021210112011112220
42232221233213112013231
53033120104332211341
641305351533145553
72346055012014114
oct256515747260755
946441253464486
1012002011210221
11390802a48890a
12141a0a132b2b9
13690a282905c6
142d6c86b54c7b
1515c2ee799a66
hexaea6f9d61ed

12002011210221 has 16 divisors (see below), whose sum is σ = 16389462184704. Its totient is φ = 7808915062784.

The previous prime is 12002011210141. The next prime is 12002011210223. The reversal of 12002011210221 is 12201211020021.

It is a cyclic number.

It is not a de Polignac number, because 12002011210221 - 219 = 12002010685933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002011210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002011210223) 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, 120517716 + ... + 120617261.

It is an arithmetic number, because the mean of its divisors is an integer number (1024341386544).

Almost surely, 212002011210221 is an apocalyptic number.

It is an amenable number.

12002011210221 is a deficient number, since it is larger than the sum of its proper divisors (4387450974483).

12002011210221 is a wasteful number, since it uses less digits than its factorization.

12002011210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241135380.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002011210221 its reverse (12201211020021), we get a palindrome (24203222230242).

The spelling of 12002011210221 in words is "twelve trillion, two billion, eleven million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 47 141 353 1059 16591 49773 241134977 723404931 11333343919 34000031757 85120646881 255361940643 4000670403407 12002011210221