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12130230003 = 36765699187
BaseRepresentation
bin10110100110000010…
…01001111011110011
31011022101011112022220
423103001021323303
5144320314330003
65323400532123
7606412153023
oct132301117363
934271145286
1012130230003
115165220381
122426481043
1311b4130bb8
1483103ba83
154aede7353
hex2d3049ef3

12130230003 has 16 divisors (see below), whose sum is σ = 16419323520. Its totient is φ = 7964041536.

The previous prime is 12130230001. The next prime is 12130230017. The reversal of 12130230003 is 30003203121.

It is not a de Polignac number, because 12130230003 - 21 = 12130230001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12130230001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315776 + ... + 1324962.

It is an arithmetic number, because the mean of its divisors is an integer number (1026207720).

Almost surely, 212130230003 is an apocalyptic number.

12130230003 is a deficient number, since it is larger than the sum of its proper divisors (4289093517).

12130230003 is an equidigital number, since it uses as much as digits as its factorization.

12130230003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12130230003 its reverse (30003203121), we get a palindrome (42133433124).

The spelling of 12130230003 in words is "twelve billion, one hundred thirty million, two hundred thirty thousand, three".

Divisors: 1 3 67 201 6569 9187 19707 27561 440123 615529 1320369 1846587 60349403 181048209 4043410001 12130230003