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12423221301 = 34141073767
BaseRepresentation
bin10111001000111101…
…10101000000110101
31012001210111000211110
423210132311000311
5200420321040201
65412424425233
7616600432041
oct134436650065
935053430743
1012423221301
1152a5648047
1224a8618219
13122ca4682a
1485bd09021
154ca9be6d6
hex2e47b5035

12423221301 has 4 divisors (see below), whose sum is σ = 16564295072. Its totient is φ = 8282147532.

The previous prime is 12423221299. The next prime is 12423221303. The reversal of 12423221301 is 10312232421.

12423221301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10312232421 = 33437410807.

It is an interprime number because it is at equal distance from previous prime (12423221299) and next prime (12423221303).

It is not a de Polignac number, because 12423221301 - 21 = 12423221299 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423221303) by changing a digit.

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, 2070536881 + ... + 2070536886.

It is an arithmetic number, because the mean of its divisors is an integer number (4141073768).

Almost surely, 212423221301 is an apocalyptic number.

It is an amenable number.

12423221301 is a deficient number, since it is larger than the sum of its proper divisors (4141073771).

12423221301 is an equidigital number, since it uses as much as digits as its factorization.

12423221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141073770.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12423221301 its reverse (10312232421), we get a palindrome (22735453722).

The spelling of 12423221301 in words is "twelve billion, four hundred twenty-three million, two hundred twenty-one thousand, three hundred one".

Divisors: 1 3 4141073767 12423221301