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12231311302000 = 245372472655517
BaseRepresentation
bin1011000111111101001011…
…1101110001110101110000
31121022022011010002201211201
42301333102331301311300
53100344211143131000
642002553054020544
72401453203440200
oct261772275616560
947268133081751
1012231311302000
1139962a73a669a
1214566154a7754
136a953b96819b
14303dda32c400
1516327019296a
hexb1fd2f71d70

12231311302000 has 240 divisors, whose sum is σ = 35135944691328. Its totient is φ = 4104365529600.

The previous prime is 12231311301991. The next prime is 12231311302003. The reversal of 12231311302000 is 20311313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231311302003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3278242 + ... + 5933758.

Almost surely, 212231311302000 is an apocalyptic number.

12231311302000 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 12231311302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17567972345664).

12231311302000 is an abundant number, since it is smaller than the sum of its proper divisors (22904633389328).

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

12231311302000 is a wasteful number, since it uses less digits than its factorization.

12231311302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655601 (or 2655578 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12231311302000 its reverse (20311313221), we get a palindrome (12251622615221).

The spelling of 12231311302000 in words is "twelve trillion, two hundred thirty-one billion, three hundred eleven million, three hundred two thousand".