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12032032213 = 34934475737
BaseRepresentation
bin10110011010010101…
…00011110111010101
31011001112101120021201
423031022203313111
5144120200012323
65305532112501
7604110405055
oct131512436725
934045346251
1012032032213
11511484a983
1223b9605731
13119999b7b6
14821d99565
154a649b8ad
hex2cd2a3dd5

12032032213 has 4 divisors (see below), whose sum is σ = 12066508300. Its totient is φ = 11997556128.

The previous prime is 12032032163. The next prime is 12032032231. The reversal of 12032032213 is 31223023021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3631026564 + 8401005649 = 60258^2 + 91657^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032032213 - 213 = 12032024021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032036213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17237520 + ... + 17238217.

It is an arithmetic number, because the mean of its divisors is an integer number (3016627075).

Almost surely, 212032032213 is an apocalyptic number.

It is an amenable number.

12032032213 is a deficient number, since it is larger than the sum of its proper divisors (34476087).

12032032213 is an equidigital number, since it uses as much as digits as its factorization.

12032032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34476086.

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

Adding to 12032032213 its reverse (31223023021), we get a palindrome (43255055234).

The spelling of 12032032213 in words is "twelve billion, thirty-two million, thirty-two thousand, two hundred thirteen".

Divisors: 1 349 34475737 12032032213