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12131422413 = 3118933112479
BaseRepresentation
bin10110100110001011…
…01101000011001101
31011022110102010000020
423103011231003031
5144321121004123
65323442252353
7606425250315
oct132305550315
934273363006
1012131422413
115165965240
1224269570b9
1311b445a876
1483126c445
154b00807e3
hex2d316d0cd

12131422413 has 32 divisors (see below), whose sum is σ = 17899315200. Its totient is φ = 7247222400.

The previous prime is 12131422399. The next prime is 12131422421. The reversal of 12131422413 is 31422413121.

12131422413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12131422413 - 214 = 12131406029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131422453) 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 31 ways as a sum of consecutive naturals, for example, 965908 + ... + 978386.

It is an arithmetic number, because the mean of its divisors is an integer number (559353600).

Almost surely, 212131422413 is an apocalyptic number.

It is an amenable number.

12131422413 is a deficient number, since it is larger than the sum of its proper divisors (5767892787).

12131422413 is a wasteful number, since it uses less digits than its factorization.

12131422413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913.

The product of its digits is 1152, while the sum is 24.

Adding to 12131422413 its reverse (31422413121), we get a palindrome (43553835534).

The spelling of 12131422413 in words is "twelve billion, one hundred thirty-one million, four hundred twenty-two thousand, four hundred thirteen".

Divisors: 1 3 11 33 89 267 331 979 993 2937 3641 10923 12479 29459 37437 88377 137269 324049 411807 972147 1110631 3331893 4130549 12216941 12391647 36650823 45436039 136308117 367618861 1102856583 4043807471 12131422413