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12301214212 = 2272173691841
BaseRepresentation
bin10110111010011010…
…11010001000000100
31011202021220102120101
423131031122020010
5200143102323322
65352345413444
7613556411200
oct133515321004
934667812511
1012301214212
115242795341
12247379a284
1312106991a1
14849a29b00
154bee1e327
hex2dd35a204

12301214212 has 36 divisors (see below), whose sum is σ = 26514809244. Its totient is φ = 4961832960.

The previous prime is 12301214209. The next prime is 12301214221. The reversal of 12301214212 is 21241210321.

It can be written as a sum of positive squares in 2 ways, for example, as 11452424256 + 848789956 = 107016^2 + 29134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12301214212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1842589 + ... + 1849252.

It is an arithmetic number, because the mean of its divisors is an integer number (736522479).

Almost surely, 212301214212 is an apocalyptic number.

It is an amenable number.

12301214212 is an abundant number, since it is smaller than the sum of its proper divisors (14213595032).

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

12301214212 is a wasteful number, since it uses less digits than its factorization.

12301214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691876 (or 3691867 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12301214212 its reverse (21241210321), we get a palindrome (33542424533).

The spelling of 12301214212 in words is "twelve billion, three hundred one million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 476 833 1666 3332 3691841 7383682 14767364 25842887 51685774 62761297 103371548 125522594 180900209 251045188 361800418 439329079 723600836 878658158 1757316316 3075303553 6150607106 12301214212