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12132201233 = 19638536907
BaseRepresentation
bin10110100110010001…
…01011001100010001
31011022111212200100102
423103020223030101
5144321320414413
65323511102145
7606435003035
oct132310531421
934274780312
1012132201233
115166347399
122427071955
1311b46711c9
148313d21c5
154b0186458
hex2d322b311

12132201233 has 4 divisors (see below), whose sum is σ = 12770738160. Its totient is φ = 11493664308.

The previous prime is 12132201229. The next prime is 12132201239. The reversal of 12132201233 is 33210223121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12132201233 - 22 = 12132201229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12132201239) 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, 319268435 + ... + 319268472.

It is an arithmetic number, because the mean of its divisors is an integer number (3192684540).

Almost surely, 212132201233 is an apocalyptic number.

It is an amenable number.

12132201233 is a deficient number, since it is larger than the sum of its proper divisors (638536927).

12132201233 is an equidigital number, since it uses as much as digits as its factorization.

12132201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638536926.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12132201233 its reverse (33210223121), we get a palindrome (45342424354).

The spelling of 12132201233 in words is "twelve billion, one hundred thirty-two million, two hundred one thousand, two hundred thirty-three".

Divisors: 1 19 638536907 12132201233