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12402012307 is a prime number
BaseRepresentation
bin10111000110011011…
…11011000010010011
31012000022120111120011
423203031323002103
5200344403343212
65410350055351
7616222236166
oct134315730223
935008514504
1012402012307
115294681453
1224a14aa557
13122852c029
14859187add
154c8bd04a7
hex2e337b093

12402012307 has 2 divisors, whose sum is σ = 12402012308. Its totient is φ = 12402012306.

The previous prime is 12402012257. The next prime is 12402012347. The reversal of 12402012307 is 70321020421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12402012307 - 211 = 12402010259 is a prime.

It is not a weakly prime, because it can be changed into another prime (12402012347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201006153 + 6201006154.

It is an arithmetic number, because the mean of its divisors is an integer number (6201006154).

Almost surely, 212402012307 is an apocalyptic number.

12402012307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402012307 is an equidigital number, since it uses as much as digits as its factorization.

12402012307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12402012307 its reverse (70321020421), we get a palindrome (82723032728).

The spelling of 12402012307 in words is "twelve billion, four hundred two million, twelve thousand, three hundred seven".