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2012130002231 = 5428733706447
BaseRepresentation
bin11101010001111100010…
…010110100010100110111
321010100122210120210211222
4131101330102310110313
5230431320240032411
64140205413020555
7265241312552036
oct35217422642467
97110583523758
102012130002231
11706380a26018
12285b6a32475b
1311798761569b
146d55d86c71d
1537517d7c4db
hex1d47c4b4537

2012130002231 has 4 divisors (see below), whose sum is σ = 2012134251552. Its totient is φ = 2012125752912.

The previous prime is 2012130002209. The next prime is 2012130002251. The reversal of 2012130002231 is 1322000312102.

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 2012130002231 - 210 = 2012130001207 is a prime.

It is a super-3 number, since 3×20121300022313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012130002251) 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, 1310351 + ... + 2396096.

It is an arithmetic number, because the mean of its divisors is an integer number (503033562888).

Almost surely, 22012130002231 is an apocalyptic number.

2012130002231 is a deficient number, since it is larger than the sum of its proper divisors (4249321).

2012130002231 is an equidigital number, since it uses as much as digits as its factorization.

2012130002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249320.

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

Adding to 2012130002231 its reverse (1322000312102), we get a palindrome (3334130314333).

The spelling of 2012130002231 in words is "two trillion, twelve billion, one hundred thirty million, two thousand, two hundred thirty-one".

Divisors: 1 542873 3706447 2012130002231