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12232212302 = 26116106151
BaseRepresentation
bin10110110010001100…
…01011111101001110
31011120111001202202002
423121012023331032
5200022421243202
65341442432302
7612061042352
oct133106137516
934514052662
1012232212302
115207846172
122454662692
1311cc2b9a5b
148407c7462
154b8d3e302
hex2d918bf4e

12232212302 has 4 divisors (see below), whose sum is σ = 18348318456. Its totient is φ = 6116106150.

The previous prime is 12232212301. The next prime is 12232212323. The reversal of 12232212302 is 20321223221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20321223221 = 131563171017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232212301) 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 as a sum of consecutive naturals, namely, 3058053074 + ... + 3058053077.

It is an arithmetic number, because the mean of its divisors is an integer number (4587079614).

Almost surely, 212232212302 is an apocalyptic number.

12232212302 is a deficient number, since it is larger than the sum of its proper divisors (6116106154).

12232212302 is an equidigital number, since it uses as much as digits as its factorization.

12232212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116106153.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12232212302 its reverse (20321223221), we get a palindrome (32553435523).

The spelling of 12232212302 in words is "twelve billion, two hundred thirty-two million, two hundred twelve thousand, three hundred two".

Divisors: 1 2 6116106151 12232212302