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12205004087 is a prime number
BaseRepresentation
bin10110101110111100…
…11001010100110111
31011111120212110002102
423113132121110313
5144443440112322
65335031332315
7611310552203
oct132736312467
934446773072
1012205004087
1151a3452241
12244752109b
1311c6781713
1483ad43b03
154b6767792
hex2d7799537

12205004087 has 2 divisors, whose sum is σ = 12205004088. Its totient is φ = 12205004086.

The previous prime is 12205004057. The next prime is 12205004093. The reversal of 12205004087 is 78040050221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12205004087 - 26 = 12205004023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12205004057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102502043 + 6102502044.

It is an arithmetic number, because the mean of its divisors is an integer number (6102502044).

Almost surely, 212205004087 is an apocalyptic number.

12205004087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205004087 is an equidigital number, since it uses as much as digits as its factorization.

12205004087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The spelling of 12205004087 in words is "twelve billion, two hundred five million, four thousand, eighty-seven".