Search a number
-
+
12012221201011 = 270721493206461
BaseRepresentation
bin1010111011001101000000…
…1011010111101001110011
31120112100122100102102212221
42232303100023113221303
53033302012111413021
641314201020501511
72346566016344113
oct256632013275163
946470570372787
1012012221201011
11391139978a029
1214200706aa897
13691994622685
142d7574b3b043
1515c6eacd7241
hexaecd02d7a73

12012221201011 has 8 divisors (see below), whose sum is σ = 12017275969424. Its totient is φ = 12007166893920.

The previous prime is 12012221201003. The next prime is 12012221201059. The reversal of 12012221201011 is 11010212221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012221201011 - 23 = 12012221201003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012221201081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58078321 + ... + 58284781.

It is an arithmetic number, because the mean of its divisors is an integer number (1502159496178).

Almost surely, 212012221201011 is an apocalyptic number.

12012221201011 is a deficient number, since it is larger than the sum of its proper divisors (5054768413).

12012221201011 is a wasteful number, since it uses less digits than its factorization.

12012221201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230661.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012221201011 its reverse (11010212221021), we get a palindrome (23022433422032).

The spelling of 12012221201011 in words is "twelve trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, eleven".

Divisors: 1 2707 21493 206461 58181551 558889927 4437466273 12012221201011