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12030232321 = 178720033361
BaseRepresentation
bin10110011010000111…
…01100011100000001
31011001102000010022001
423031003230130001
5144114214413241
65305425344001
7604056200422
oct131503543401
934042003261
1012030232321
115113830668
1223b8a98001
1311994bb483
14821a4b649
154a6243431
hex2cd0ec701

12030232321 has 8 divisors (see below), whose sum is σ = 12046557024. Its totient is φ = 12013921920.

The previous prime is 12030232301. The next prime is 12030232349. The reversal of 12030232321 is 12323203021.

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 12030232321 - 25 = 12030232289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030232301) 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, 3577681 + ... + 3581041.

It is an arithmetic number, because the mean of its divisors is an integer number (1505819628).

Almost surely, 212030232321 is an apocalyptic number.

It is an amenable number.

12030232321 is a deficient number, since it is larger than the sum of its proper divisors (16324703).

12030232321 is a wasteful number, since it uses less digits than its factorization.

12030232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12030232321 its reverse (12323203021), we get a palindrome (24353435342).

The spelling of 12030232321 in words is "twelve billion, thirty million, two hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 1787 2003 3361 3579361 6006107 6732083 12030232321