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12201020232 = 233508375843
BaseRepresentation
bin10110101110011110…
…01100101101001000
31011111022101001021020
423113033030231020
5144441430121412
65334410112440
7611231650362
oct132717145510
934438331236
1012201020232
1151a11810a5
12244611b720
1311c59b82cb
1483a5c7d32
154b622c18c
hex2d73ccb48

12201020232 has 16 divisors (see below), whose sum is σ = 30502550640. Its totient is φ = 4067006736.

The previous prime is 12201020203. The next prime is 12201020233. The reversal of 12201020232 is 23202010221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12201020233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254187898 + ... + 254187945.

It is an arithmetic number, because the mean of its divisors is an integer number (1906409415).

Almost surely, 212201020232 is an apocalyptic number.

12201020232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201020232 is an abundant number, since it is smaller than the sum of its proper divisors (18301530408).

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

12201020232 is a wasteful number, since it uses less digits than its factorization.

12201020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508375852 (or 508375848 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12201020232 its reverse (23202010221), we get a palindrome (35403030453).

The spelling of 12201020232 in words is "twelve billion, two hundred one million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 508375843 1016751686 1525127529 2033503372 3050255058 4067006744 6100510116 12201020232