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12202330312 = 2317113794009
BaseRepresentation
bin10110101110101000…
…01100100011001000
31011111101211121100201
423113110030203020
5144442244032222
65334454141544
7611246045014
oct132724144310
934441747321
1012202330312
1151a1996407
1224466518b4
1311c60566c3
1483a849544
154b63da427
hex2d750c8c8

12202330312 has 32 divisors (see below), whose sum is σ = 24439627800. Its totient is φ = 5691449344.

The previous prime is 12202330213. The next prime is 12202330313. The reversal of 12202330312 is 21303320221.

It can be written as a sum of positive squares in 4 ways, for example, as 7122347236 + 5079983076 = 84394^2 + 71274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12202330312.

It is not an unprimeable number, because it can be changed into a prime (12202330313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381637 + ... + 412372.

Almost surely, 212202330312 is an apocalyptic number.

It is an amenable number.

12202330312 is an abundant number, since it is smaller than the sum of its proper divisors (12237297488).

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

12202330312 is a wasteful number, since it uses less digits than its factorization.

12202330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794145 (or 794141 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12202330312 its reverse (21303320221), we get a palindrome (33505650533).

The spelling of 12202330312 in words is "twelve billion, two hundred two million, three hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 113 136 226 452 904 1921 3842 7684 15368 794009 1588018 3176036 6352072 13498153 26996306 53992612 89723017 107985224 179446034 358892068 717784136 1525291289 3050582578 6101165156 12202330312