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12231311320200 = 23352713183220907
BaseRepresentation
bin1011000111111101001011…
…1101110110010010001000
31121022022011010010122210210
42301333102331312102020
53100344211144221300
642002553054241120
72401453203544230
oct261772275662210
947268133118723
1012231311320200
1139962a7409335
1214566154b61a0
136a953b97355b
14303dda334cc0
15163270198050
hexb1fd2f76488

12231311320200 has 192 divisors, whose sum is σ = 43337271951360. Its totient is φ = 2795503576320.

The previous prime is 12231311320139. The next prime is 12231311320271. The reversal of 12231311320200 is 202311313221.

It is a super-2 number, since 2×122313113202002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55258147 + ... + 55479053.

It is an arithmetic number, because the mean of its divisors is an integer number (225714958080).

Almost surely, 212231311320200 is an apocalyptic number.

12231311320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231311320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21668635975680).

12231311320200 is an abundant number, since it is smaller than the sum of its proper divisors (31105960631160).

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

12231311320200 is a wasteful number, since it uses less digits than its factorization.

12231311320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234116 (or 234107 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12231311320200 its reverse (202311313221), we get a palindrome (12433622633421).

The spelling of 12231311320200 in words is "twelve trillion, two hundred thirty-one billion, three hundred eleven million, three hundred twenty thousand, two hundred".