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12131303000 = 235312131303
BaseRepresentation
bin10110100110001010…
…01111111001011000
31011022110012001012112
423103011033321120
5144321103144000
65323435531452
7606424242215
oct132305177130
934273161175
1012131303000
115165893553
1224268b9b88
1311b44183cb
1483123ab0c
154b005a235
hex2d314fe58

12131303000 has 32 divisors (see below), whose sum is σ = 28387251360. Its totient is φ = 4852520800.

The previous prime is 12131302993. The next prime is 12131303029. The reversal of 12131303000 is 30313121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6064652 + ... + 6066651.

It is an arithmetic number, because the mean of its divisors is an integer number (887101605).

Almost surely, 212131303000 is an apocalyptic number.

12131303000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131303000 is an abundant number, since it is smaller than the sum of its proper divisors (16255948360).

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

12131303000 is a wasteful number, since it uses less digits than its factorization.

12131303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131324 (or 12131310 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12131303000 its reverse (30313121), we get a palindrome (12161616121).

The spelling of 12131303000 in words is "twelve billion, one hundred thirty-one million, three hundred three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 12131303 24262606 48525212 60656515 97050424 121313030 242626060 303282575 485252120 606565150 1213130300 1516412875 2426260600 3032825750 6065651500 12131303000