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12102233230321 = 132805133318709
BaseRepresentation
bin1011000000011100010101…
…0100000000101111110001
31120211221222102221022010021
42300013011110000233301
53041240333201332241
641423404511003441
72356233423101413
oct260070524005761
946757872838107
1012102233230321
11394658a1769a3
1214355b1509581
1369a30aa97090
142dba7348a9b3
1515ec1823d0d1
hexb01c5500bf1

12102233230321 has 8 divisors (see below), whose sum is σ = 13033224637160. Its totient is φ = 11171249021952.

The previous prime is 12102233230249. The next prime is 12102233230333. The reversal of 12102233230321 is 12303233220121.

It can be written as a sum of positive squares in 4 ways, for example, as 2015161950096 + 10087071280225 = 1419564^2 + 3176015^2 .

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 12102233230321 - 27 = 12102233230193 is a prime.

It is a super-2 number, since 2×121022332303212 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102233236321) 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, 1987315 + ... + 5306023.

It is an arithmetic number, because the mean of its divisors is an integer number (1629153079645).

Almost surely, 212102233230321 is an apocalyptic number.

It is an amenable number.

12102233230321 is a deficient number, since it is larger than the sum of its proper divisors (930991406839).

12102233230321 is a wasteful number, since it uses less digits than its factorization.

12102233230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599235.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12102233230321 its reverse (12303233220121), we get a palindrome (24405466450442).

The spelling of 12102233230321 in words is "twelve trillion, one hundred two billion, two hundred thirty-three million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 13 280513 3318709 3646669 43143217 930941017717 12102233230321