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11231120012 = 2273535691997
BaseRepresentation
bin10100111010110110…
…10100101010001100
31001222201100000021212
422131123110222030
5141000131320022
65054241513552
7545213642060
oct123533245214
931881300255
1011231120012
114843746772
1222153428b8
13109ca89658
14787873aa0
1545aee43e2
hex29d6d4a8c

11231120012 has 48 divisors (see below), whose sum is σ = 22576760640. Its totient is φ = 4788867072.

The previous prime is 11231120009. The next prime is 11231120081. The reversal of 11231120012 is 21002113211.

11231120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112311200122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 15 ways as a sum of consecutive naturals, for example, 5622998 + ... + 5624994.

It is an arithmetic number, because the mean of its divisors is an integer number (470349180).

Almost surely, 211231120012 is an apocalyptic number.

It is an amenable number.

11231120012 is an abundant number, since it is smaller than the sum of its proper divisors (11345640628).

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

11231120012 is a wasteful number, since it uses less digits than its factorization.

11231120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930 (or 2928 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11231120012 its reverse (21002113211), we get a palindrome (32233233223).

The spelling of 11231120012 in words is "eleven billion, two hundred thirty-one million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 28 353 569 706 1138 1412 1997 2276 2471 3983 3994 4942 7966 7988 9884 13979 15932 27958 55916 200857 401714 704941 803428 1136293 1405999 1409882 2272586 2811998 2819764 4545172 4934587 5623996 7954051 9869174 15908102 19738348 31816204 401111429 802222858 1604445716 2807780003 5615560006 11231120012