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12011032130131 = 88379135903689
BaseRepresentation
bin1010111011001000100101…
…0011011011001001010011
31120112020120110222101021201
42232302021103123021103
53033242043211131011
641313443022532031
72346524400405136
oct256621123331123
946466513871251
1012011032130131
113910939568521
12141b99a437017
13691835186938
142d74a0c5421d
1515c67b709cc1
hexaec894db253

12011032130131 has 4 divisors (see below), whose sum is σ = 12011168122200. Its totient is φ = 12010896138064.

The previous prime is 12011032130113. The next prime is 12011032130159. The reversal of 12011032130131 is 13103123011021.

12011032130131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011032130131 - 213 = 12011032121939 is a prime.

It is a super-2 number, since 2×120110321301312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011032130099 and 12011032130108.

It is not an unprimeable number, because it can be changed into a prime (12014032130131) 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, 67863466 + ... + 68040223.

It is an arithmetic number, because the mean of its divisors is an integer number (3002792030550).

Almost surely, 212011032130131 is an apocalyptic number.

12011032130131 is a deficient number, since it is larger than the sum of its proper divisors (135992069).

12011032130131 is an equidigital number, since it uses as much as digits as its factorization.

12011032130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135992068.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12011032130131 its reverse (13103123011021), we get a palindrome (25114155141152).

The spelling of 12011032130131 in words is "twelve trillion, eleven billion, thirty-two million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 88379 135903689 12011032130131