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1303201212 = 223108600101
BaseRepresentation
bin100110110101101…
…0100010110111100
310100211012110222120
41031223110112330
510132104414322
6333152042540
744203012305
oct11553242674
93324173876
101303201212
116096943a5
12304533450
13179cb90a1
14c51157ac
1579623a5c
hex4dad45bc

1303201212 has 12 divisors (see below), whose sum is σ = 3040802856. Its totient is φ = 434400400.

The previous prime is 1303201187. The next prime is 1303201223. The reversal of 1303201212 is 2121023031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1303201191 and 1303201200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54300039 + ... + 54300062.

It is an arithmetic number, because the mean of its divisors is an integer number (253400238).

Almost surely, 21303201212 is an apocalyptic number.

1303201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303201212 is an abundant number, since it is smaller than the sum of its proper divisors (1737601644).

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

1303201212 is a wasteful number, since it uses less digits than its factorization.

1303201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108600108 (or 108600106 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1303201212 is about 36099.8782823433. The cubic root of 1303201212 is about 1092.2879897621.

Adding to 1303201212 its reverse (2121023031), we get a palindrome (3424224243).

The spelling of 1303201212 in words is "one billion, three hundred three million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 108600101 217200202 325800303 434400404 651600606 1303201212