Search a number
-
+
12231120100 = 2252354734483
BaseRepresentation
bin10110110010000100…
…00001010011100100
31011120102000021112011
423121002001103210
5200022131320400
65341403204004
7612045543163
oct133102012344
934512007464
1012231120100
11520716a621
122454216604
1311cbcc6894
148405c13da
154b8bc58ba
hex2d90814e4

12231120100 has 36 divisors (see below), whose sum is σ = 26549783344. Its totient is φ = 4890926880.

The previous prime is 12231120071. The next prime is 12231120107. The reversal of 12231120100 is 102113221.

It is not an unprimeable number, because it can be changed into a prime (12231120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337459 + ... + 371941.

Almost surely, 212231120100 is an apocalyptic number.

12231120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231120100 is an abundant number, since it is smaller than the sum of its proper divisors (14318663244).

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

12231120100 is a wasteful number, since it uses less digits than its factorization.

12231120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38044 (or 38037 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12231120100 its reverse (102113221), we get a palindrome (12333233321).

The spelling of 12231120100 in words is "twelve billion, two hundred thirty-one million, one hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3547 7094 14188 17735 34483 35470 68966 70940 88675 137932 172415 177350 344830 354700 689660 862075 1724150 3448300 122311201 244622402 489244804 611556005 1223112010 2446224020 3057780025 6115560050 12231120100