Search a number
-
+
12011021112203 = 171674230722477
BaseRepresentation
bin1010111011001000100010…
…1001011001001110001011
31120112020112201020121112022
42232302020221121032023
53033242032401042303
641313441550435055
72346524204635661
oct256621051311613
946466481217468
1012011021112203
1139109333225a3
12141b996802a8b
13691832ac9959
142d749d5c6c31
1515c67a780438
hexaec88a5938b

12011021112203 has 8 divisors (see below), whose sum is σ = 12793704773472. Its totient is φ = 11236798896256.

The previous prime is 12011021112191. The next prime is 12011021112217. The reversal of 12011021112203 is 30221112011021.

It is a happy number.

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

It is not a de Polignac number, because 12011021112203 - 214 = 12011021095819 is a prime.

It is a super-2 number, since 2×120110211122032 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011021112263) 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, 2115358400 + ... + 2115364077.

It is an arithmetic number, because the mean of its divisors is an integer number (1599213096684).

Almost surely, 212011021112203 is an apocalyptic number.

12011021112203 is a deficient number, since it is larger than the sum of its proper divisors (782683661269).

12011021112203 is a wasteful number, since it uses less digits than its factorization.

12011021112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230722661.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011021112203 its reverse (30221112011021), we get a palindrome (42232133123224).

The spelling of 12011021112203 in words is "twelve trillion, eleven billion, twenty-one million, one hundred twelve thousand, two hundred three".

Divisors: 1 17 167 2839 4230722477 71922282109 706530653659 12011021112203