Search a number
-
+
12125456297 is a prime number
BaseRepresentation
bin10110100101011101…
…11100011110101001
31011022001012000000222
423102232330132221
5144313104100142
65323110335425
7606323451353
oct132256743651
934261160028
1012125456297
11516255a869
12242495a575
1311b314c116
148305580d3
154ae7a2bd2
hex2d2bbc7a9

12125456297 has 2 divisors, whose sum is σ = 12125456298. Its totient is φ = 12125456296.

The previous prime is 12125456279. The next prime is 12125456303. The reversal of 12125456297 is 79265452121.

Together with previous prime (12125456279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7384996096 + 4740460201 = 85936^2 + 68851^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125456297 - 210 = 12125455273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12125456207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062728148 + 6062728149.

It is an arithmetic number, because the mean of its divisors is an integer number (6062728149).

Almost surely, 212125456297 is an apocalyptic number.

It is an amenable number.

12125456297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12125456297 is an equidigital number, since it uses as much as digits as its factorization.

12125456297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The spelling of 12125456297 in words is "twelve billion, one hundred twenty-five million, four hundred fifty-six thousand, two hundred ninety-seven".