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12130223000 = 2353723591277
BaseRepresentation
bin10110100110000010…
…01000001110011000
31011022101011011201112
423103001020032120
5144320314114000
65323400435452
7606412123430
oct132301101630
934271134645
1012130223000
115165216095
122426478b88
1311b412a95c
148310392c0
154aede5235
hex2d3048398

12130223000 has 256 divisors, whose sum is σ = 34450790400. Its totient is φ = 3907622400.

The previous prime is 12130222961. The next prime is 12130223041. The reversal of 12130223000 is 32203121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9498362 + ... + 9499638.

It is an arithmetic number, because the mean of its divisors is an integer number (134573400).

Almost surely, 212130223000 is an apocalyptic number.

12130223000 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 12130223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17225395200).

12130223000 is an abundant number, since it is smaller than the sum of its proper divisors (22320567400).

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

12130223000 is a wasteful number, since it uses less digits than its factorization.

12130223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12130223000 its reverse (32203121), we get a palindrome (12162426121).

The spelling of 12130223000 in words is "twelve billion, one hundred thirty million, two hundred twenty-three thousand".