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12210312303 = 337253174137
BaseRepresentation
bin10110101111100101…
…01001010001101111
31011111221212010121000
423113302221101233
5200001314443203
65335341211343
7611403641100
oct132762512157
934457763530
1012210312303
1151a64483a2
122449260b53
1311c78bc887
1483b9263a7
154b6e654a3
hex2d7ca946f

12210312303 has 48 divisors (see below), whose sum is σ = 21439870560. Its totient is φ = 6845634432.

The previous prime is 12210312299. The next prime is 12210312307. The reversal of 12210312303 is 30321301221.

It is an interprime number because it is at equal distance from previous prime (12210312299) and next prime (12210312307).

It is not a de Polignac number, because 12210312303 - 22 = 12210312299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210312307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16950 + ... + 157187.

It is an arithmetic number, because the mean of its divisors is an integer number (446663970).

Almost surely, 212210312303 is an apocalyptic number.

12210312303 is a deficient number, since it is larger than the sum of its proper divisors (9229558257).

12210312303 is a wasteful number, since it uses less digits than its factorization.

12210312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174213 (or 174200 counting only the distinct ones).

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

Adding to 12210312303 its reverse (30321301221), we get a palindrome (42531613524).

The spelling of 12210312303 in words is "twelve billion, two hundred ten million, three hundred twelve thousand, three hundred three".

Divisors: 1 3 7 9 21 27 49 53 63 147 159 189 371 441 477 1113 1323 1431 2597 3339 7791 10017 23373 70119 174137 522411 1218959 1567233 3656877 4701699 8532713 9229261 10970631 25598139 27687783 32911893 64604827 76794417 83063349 193814481 230383251 249190047 452233789 581443443 1356701367 1744330329 4070104101 12210312303