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12330302121 = 3212569109001
BaseRepresentation
bin10110111101111000…
…10111101010101001
31011211022122020200100
423132330113222221
5200223024131441
65355305100013
7614361560454
oct133674275251
934738566610
1012330302121
115258152535
122481487609
131216711c77
1484d83c49b
154c2767cb6
hex2def17aa9

12330302121 has 12 divisors (see below), whose sum is σ = 17812016820. Its totient is φ = 8219472000.

The previous prime is 12330302119. The next prime is 12330302123. The reversal of 12330302121 is 12120303321.

12330302121 is a `hidden beast` number, since 12 + 330 + 302 + 1 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (12330302119) and next prime (12330302123).

It can be written as a sum of positive squares in 2 ways, for example, as 9675476496 + 2654825625 = 98364^2 + 51525^2 .

It is not a de Polignac number, because 12330302121 - 21 = 12330302119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12330302094 and 12330302103.

It is not an unprimeable number, because it can be changed into a prime (12330302123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58621 + ... + 167621.

It is an arithmetic number, because the mean of its divisors is an integer number (1484334735).

Almost surely, 212330302121 is an apocalyptic number.

It is an amenable number.

12330302121 is a deficient number, since it is larger than the sum of its proper divisors (5481714699).

12330302121 is a wasteful number, since it uses less digits than its factorization.

12330302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121576 (or 121573 counting only the distinct ones).

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

Adding to 12330302121 its reverse (12120303321), we get a palindrome (24450605442).

The spelling of 12330302121 in words is "twelve billion, three hundred thirty million, three hundred two thousand, one hundred twenty-one".

Divisors: 1 3 9 12569 37707 109001 113121 327003 981009 1370033569 4110100707 12330302121