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2012300012231 = 15311314369701
BaseRepresentation
bin11101010010000110011…
…011010110101011000111
321010101002122111012201122
4131102012123112223013
5230432142300342411
64140234324544155
7265245445612025
oct35220633265307
97111078435648
102012300012231
11706458995053
12285bb725205b
131179b38cc412
146d578285715
1537527c609db
hex1d4866d6ac7

2012300012231 has 4 divisors (see below), whose sum is σ = 2013614383464. Its totient is φ = 2010985641000.

The previous prime is 2012300012213. The next prime is 2012300012243. The reversal of 2012300012231 is 1322100032102.

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 2012300012231 - 234 = 1995120143047 is a prime.

It is a super-2 number, since 2×20123000122312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012300012431) 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, 657183320 + ... + 657186381.

It is an arithmetic number, because the mean of its divisors is an integer number (503403595866).

Almost surely, 22012300012231 is an apocalyptic number.

2012300012231 is a deficient number, since it is larger than the sum of its proper divisors (1314371233).

2012300012231 is a wasteful number, since it uses less digits than its factorization.

2012300012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314371232.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2012300012231 its reverse (1322100032102), we get a palindrome (3334400044333).

The spelling of 2012300012231 in words is "two trillion, twelve billion, three hundred million, twelve thousand, two hundred thirty-one".

Divisors: 1 1531 1314369701 2012300012231