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12042430397 is a prime number
BaseRepresentation
bin10110011011100100…
…01110011110111101
31011002020221211220122
423031302032132331
5144130330233042
65310543024325
7604264653344
oct131562163675
934066854818
1012042430397
11511a702218
122400b9b0a5
13119bb9c67a
14823504b5b
154a73527d2
hex2cdc8e7bd

12042430397 has 2 divisors, whose sum is σ = 12042430398. Its totient is φ = 12042430396.

The previous prime is 12042430363. The next prime is 12042430427. The reversal of 12042430397 is 79303424021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12013475236 + 28955161 = 109606^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042430397 - 212 = 12042426301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042430997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021215198 + 6021215199.

It is an arithmetic number, because the mean of its divisors is an integer number (6021215199).

Almost surely, 212042430397 is an apocalyptic number.

It is an amenable number.

12042430397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042430397 is an equidigital number, since it uses as much as digits as its factorization.

12042430397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 12042430397 in words is "twelve billion, forty-two million, four hundred thirty thousand, three hundred ninety-seven".