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12512869373 is a prime number
BaseRepresentation
bin10111010011101001…
…10011101111111101
31012022001011121212102
423221310303233331
5201111243304443
65425350114445
7622036430504
oct135164635775
935261147772
1012512869373
115341208a64
12251264ba25
1312454a4524
14869ba383b
154d37cbcb8
hex2e9d33bfd

12512869373 has 2 divisors, whose sum is σ = 12512869374. Its totient is φ = 12512869372.

The previous prime is 12512869289. The next prime is 12512869393. The reversal of 12512869373 is 37396821521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10740627769 + 1772241604 = 103637^2 + 42098^2 .

It is a cyclic number.

It is not a de Polignac number, because 12512869373 - 228 = 12244433917 is a prime.

It is a super-2 number, since 2×125128693732 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12512869393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256434686 + 6256434687.

It is an arithmetic number, because the mean of its divisors is an integer number (6256434687).

Almost surely, 212512869373 is an apocalyptic number.

It is an amenable number.

12512869373 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512869373 is an equidigital number, since it uses as much as digits as its factorization.

12512869373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 12512869373 in words is "twelve billion, five hundred twelve million, eight hundred sixty-nine thousand, three hundred seventy-three".