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12192437357 is a prime number
BaseRepresentation
bin10110101101011100…
…11101010001101101
31011110201012222202222
423112232131101231
5144432230443412
65333502125125
7611066002412
oct132656352155
934421188688
1012192437357
115197349711
1224432807a5
1311c3ca1799
148393d2109
154b55d4072
hex2d6b9d46d

12192437357 has 2 divisors, whose sum is σ = 12192437358. Its totient is φ = 12192437356.

The previous prime is 12192437353. The next prime is 12192437363. The reversal of 12192437357 is 75373429121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12192355561 + 81796 = 110419^2 + 286^2 .

It is an emirp because it is prime and its reverse (75373429121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12192437357 - 22 = 12192437353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12192437353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096218678 + 6096218679.

It is an arithmetic number, because the mean of its divisors is an integer number (6096218679).

Almost surely, 212192437357 is an apocalyptic number.

It is an amenable number.

12192437357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12192437357 is an equidigital number, since it uses as much as digits as its factorization.

12192437357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The spelling of 12192437357 in words is "twelve billion, one hundred ninety-two million, four hundred thirty-seven thousand, three hundred fifty-seven".