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12212934389 is a prime number
BaseRepresentation
bin10110101111111001…
…01001011011110101
31011112010210100102022
423113330221123311
5200003002400024
65335513322525
7611435141465
oct132774513365
934463710368
1012212934389
1151a7979407
12244a106445
1311c82ca1c6
1483c009ba5
154b72d235e
hex2d7f296f5

12212934389 has 2 divisors, whose sum is σ = 12212934390. Its totient is φ = 12212934388.

The previous prime is 12212934373. The next prime is 12212934413. The reversal of 12212934389 is 98343921221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11197237489 + 1015696900 = 105817^2 + 31870^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212934389 - 24 = 12212934373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212934689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106467194 + 6106467195.

It is an arithmetic number, because the mean of its divisors is an integer number (6106467195).

Almost surely, 212212934389 is an apocalyptic number.

It is an amenable number.

12212934389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212934389 is an equidigital number, since it uses as much as digits as its factorization.

12212934389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The spelling of 12212934389 in words is "twelve billion, two hundred twelve million, nine hundred thirty-four thousand, three hundred eighty-nine".