Search a number
BaseRepresentation
bin10110111010101010…
…11001110100101010
31011202102211220121200
423131111121310222
5200144121410442
65352502345030
7613613260545
oct133525316452
934672756550
1012303310122
115243996aa4
12247442b176
131210c5117c
1484a01385c
154c01d534c
hex2dd559d2a

12303310122 has 24 divisors (see below), whose sum is σ = 28060181760. Its totient is φ = 3885255720.

The previous prime is 12303310093. The next prime is 12303310127. The reversal of 12303310122 is 22101330321.

12303310122 is a `hidden beast` number, since 1 + 230 + 3 + 310 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12303310095 and 12303310104.

It is not an unprimeable number, because it can be changed into a prime (12303310127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17986954 + ... + 17987637.

It is an arithmetic number, because the mean of its divisors is an integer number (1169174240).

Almost surely, 212303310122 is an apocalyptic number.

12303310122 is an abundant number, since it is smaller than the sum of its proper divisors (15756871638).

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

12303310122 is a wasteful number, since it uses less digits than its factorization.

12303310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35974618 (or 35974615 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12303310122 its reverse (22101330321), we get a palindrome (34404640443).

The spelling of 12303310122 in words is "twelve billion, three hundred three million, three hundred ten thousand, one hundred twenty-two".