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12775251211 is a prime number
BaseRepresentation
bin10111110010111011…
…01101110100001011
31012222022220000002021
423321131231310023
5202130431014321
65511401545311
7631403562232
oct137135556413
935868800067
1012775251211
115466329358
1225864a5237
131287960958
14892983b19
154eb859941
hex2f976dd0b

12775251211 has 2 divisors, whose sum is σ = 12775251212. Its totient is φ = 12775251210.

The previous prime is 12775251199. The next prime is 12775251317. The reversal of 12775251211 is 11215257721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12775251211 - 221 = 12773154059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12775251011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387625605 + 6387625606.

It is an arithmetic number, because the mean of its divisors is an integer number (6387625606).

Almost surely, 212775251211 is an apocalyptic number.

12775251211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12775251211 is an equidigital number, since it uses as much as digits as its factorization.

12775251211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 34.

The spelling of 12775251211 in words is "twelve billion, seven hundred seventy-five million, two hundred fifty-one thousand, two hundred eleven".