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12330211303220 = 225616510565161
BaseRepresentation
bin1011001101101101100111…
…0111010101111100110100
31121122202102121220100102212
42303123121313111330310
53104004233043200340
642120230524152552
72411554062536156
oct263333167257464
947582377810385
1012330211303220
113a24238918398
121471816998758
136b59705c7675
14308add250ad6
15165b0ca46a65
hexb36d9dd5f34

12330211303220 has 12 divisors (see below), whose sum is σ = 25893443736804. Its totient is φ = 4932084521280.

The previous prime is 12330211303177. The next prime is 12330211303231. The reversal of 12330211303220 is 2230311203321.

It can be written as a sum of positive squares in 2 ways, for example, as 7668878487076 + 4661332816144 = 2769274^2 + 2159012^2 .

It is a super-2 number, since 2×123302113032202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308255282561 + ... + 308255282600.

It is an arithmetic number, because the mean of its divisors is an integer number (2157786978067).

Almost surely, 212330211303220 is an apocalyptic number.

12330211303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330211303220 is an abundant number, since it is smaller than the sum of its proper divisors (13563232433584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12330211303220 is a wasteful number, since it uses less digits than its factorization.

12330211303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616510565170 (or 616510565168 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12330211303220 its reverse (2230311203321), we get a palindrome (14560522506541).

The spelling of 12330211303220 in words is "twelve trillion, three hundred thirty billion, two hundred eleven million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 616510565161 1233021130322 2466042260644 3082552825805 6165105651610 12330211303220