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12102221321230 = 251210222132123
BaseRepresentation
bin1011000000011100010010…
…0110100101010000001110
31120211221221121112020220211
42300013010212211100032
53041240322124234410
641423403403433034
72356233216631135
oct260070446452016
946757847466824
1012102221321230
113946583482477
1214355a952577a
1369a308487591
142dba71a6a91c
1515ec1718968a
hexb01c49a540e

12102221321230 has 8 divisors (see below), whose sum is σ = 21783998378232. Its totient is φ = 4840888528488.

The previous prime is 12102221321207. The next prime is 12102221321279. The reversal of 12102221321230 is 3212312220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605111066052 + ... + 605111066071.

It is an arithmetic number, because the mean of its divisors is an integer number (2722999797279).

Almost surely, 212102221321230 is an apocalyptic number.

12102221321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102221321230 is a deficient number, since it is larger than the sum of its proper divisors (9681777057002).

12102221321230 is a wasteful number, since it uses less digits than its factorization.

12102221321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210222132130.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12102221321230 its reverse (3212312220121), we get a palindrome (15314533541351).

The spelling of 12102221321230 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1210222132123 2420444264246 6051110660615 12102221321230