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12213200497 is a prime number
BaseRepresentation
bin10110101111111011…
…01010011001110001
31011112011021212110011
423113331222121301
5200003034403442
65335523134521
7611440330351
oct132775523161
934464255404
1012213200497
1151a8040333
12244a214441
1311c8391374
1483c078b61
154b7336117
hex2d7f6a671

12213200497 has 2 divisors, whose sum is σ = 12213200498. Its totient is φ = 12213200496.

The previous prime is 12213200453. The next prime is 12213200543. The reversal of 12213200497 is 79400231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11388304656 + 824895841 = 106716^2 + 28721^2 .

It is an emirp because it is prime and its reverse (79400231221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12213200497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213200407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106600248 + 6106600249.

It is an arithmetic number, because the mean of its divisors is an integer number (6106600249).

Almost surely, 212213200497 is an apocalyptic number.

It is an amenable number.

12213200497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213200497 is an equidigital number, since it uses as much as digits as its factorization.

12213200497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 12213200497 in words is "twelve billion, two hundred thirteen million, two hundred thousand, four hundred ninety-seven".