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12110221000120 = 235352785839389
BaseRepresentation
bin1011000000111010000101…
…1010111011110110111000
31120212201121010100001100011
42300032201122323312320
53041403213034000440
641431205252351304
72356635365033125
oct260164132736670
946781533301304
1012110221000120
113949a09050641
121437060615534
1369acb1917499
142dc1d028d74c
1516003461e9ea
hexb03a16bbdb8

12110221000120 has 32 divisors (see below), whose sum is σ = 27255723112800. Its totient is φ = 4842714913408.

The previous prime is 12110221000039. The next prime is 12110221000123. The reversal of 12110221000120 is 2100012201121.

It is a self number, because there is not a number n which added to its sum of digits gives 12110221000120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110221000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42778615 + ... + 43060774.

It is an arithmetic number, because the mean of its divisors is an integer number (851741347275).

Almost surely, 212110221000120 is an apocalyptic number.

12110221000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110221000120 is an abundant number, since it is smaller than the sum of its proper divisors (15145502112680).

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

12110221000120 is a wasteful number, since it uses less digits than its factorization.

12110221000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85842927 (or 85842923 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110221000120 its reverse (2100012201121), we get a palindrome (14210233201241).

The spelling of 12110221000120 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 3527 7054 14108 17635 28216 35270 70540 141080 85839389 171678778 343357556 429196945 686715112 858393890 1716787780 3433575560 302755525003 605511050006 1211022100012 1513777625015 2422044200024 3027555250030 6055110500060 12110221000120