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12212000149 is a prime number
BaseRepresentation
bin10110101111110010…
…00101010110010101
31011112002000212212211
423113321011112111
5200002233001044
65335441313421
7611424200656
oct132771052625
934462025784
1012212000149
1151a73a0508
122449935871
1311c8060bbb
1483bc4552d
154b719a634
hex2d7e45595

12212000149 has 2 divisors, whose sum is σ = 12212000150. Its totient is φ = 12212000148.

The previous prime is 12212000107. The next prime is 12212000189. The reversal of 12212000149 is 94100021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12101540049 + 110460100 = 110007^2 + 10510^2 .

It is an emirp because it is prime and its reverse (94100021221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212000149 - 211 = 12211998101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212000189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106000074 + 6106000075.

It is an arithmetic number, because the mean of its divisors is an integer number (6106000075).

Almost surely, 212212000149 is an apocalyptic number.

It is an amenable number.

12212000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212000149 is an equidigital number, since it uses as much as digits as its factorization.

12212000149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12212000149 in words is "twelve billion, two hundred twelve million, one hundred forty-nine", and thus it is an aban number.