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12102112000211 = 19735186648519
BaseRepresentation
bin1011000000011011111000…
…0101100011100011010011
31120211221122222211011200012
42300012332011203203103
53041240111133001321
641423344500345135
72356230421465022
oct260067605434323
946757588734605
1012102112000211
1139465277a4a22
1214355789a51ab
1369a2bb92c29c
142dba613308b9
1515ec0c79305b
hexb01be1638d3

12102112000211 has 8 divisors (see below), whose sum is σ = 12740798380800. Its totient is φ = 11463598931400.

The previous prime is 12102112000193. The next prime is 12102112000217. The reversal of 12102112000211 is 11200021120121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12102112000211 is a prime.

It is a super-2 number, since 2×121021120002112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102112000217) 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, 43184591 + ... + 43463928.

It is an arithmetic number, because the mean of its divisors is an integer number (1592599797600).

Almost surely, 212102112000211 is an apocalyptic number.

12102112000211 is a deficient number, since it is larger than the sum of its proper divisors (638686380589).

12102112000211 is an equidigital number, since it uses as much as digits as its factorization.

12102112000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86655889.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102112000211 its reverse (11200021120121), we get a palindrome (23302133120332).

The spelling of 12102112000211 in words is "twelve trillion, one hundred two billion, one hundred twelve million, two hundred eleven", and thus it is an aban number.

Divisors: 1 19 7351 139669 86648519 1646321861 636953263169 12102112000211