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12102222122222 = 28485971307829
BaseRepresentation
bin1011000000011100010010…
…1001101000110011101110
31120211221221200000221200012
42300013010221220303232
53041240322330402342
641423403432533222
72356233226505321
oct260070451506356
946757850027605
1012102222122222
11394658397a251
1214355a9851212
1369a3086a803b
142dba71bd87b8
1515ec17296b82
hexb01c4a68cee

12102222122222 has 8 divisors (see below), whose sum is σ = 18153547361400. Its totient is φ = 6051039668424.

The previous prime is 12102222122173. The next prime is 12102222122233. The reversal of 12102222122222 is 22222122220121.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35484197 + ... + 35823632.

It is an arithmetic number, because the mean of its divisors is an integer number (2269193420175).

Almost surely, 212102222122222 is an apocalyptic number.

12102222122222 is a deficient number, since it is larger than the sum of its proper divisors (6051325239178).

12102222122222 is an equidigital number, since it uses as much as digits as its factorization.

12102222122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71392690.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12102222122222 its reverse (22222122220121), we get a palindrome (34324344342343).

The spelling of 12102222122222 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 84859 169718 71307829 142615658 6051111061111 12102222122222