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12120622193 is a prime number
BaseRepresentation
bin10110100100111001…
…00000010001110001
31011021201002101220002
423102130200101301
5144310334402233
65322414555345
7606234405641
oct132234402161
934251071802
1012120622193
11515a858939
122423208b55
1311b21489c4
1482da5a521
154ae14a6e8
hex2d2720471

12120622193 has 2 divisors, whose sum is σ = 12120622194. Its totient is φ = 12120622192.

The previous prime is 12120622187. The next prime is 12120622211. The reversal of 12120622193 is 39122602121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9344702224 + 2775919969 = 96668^2 + 52687^2 .

It is an emirp because it is prime and its reverse (39122602121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120622193 - 210 = 12120621169 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120622793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060311096 + 6060311097.

It is an arithmetic number, because the mean of its divisors is an integer number (6060311097).

Almost surely, 212120622193 is an apocalyptic number.

It is an amenable number.

12120622193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120622193 is an equidigital number, since it uses as much as digits as its factorization.

12120622193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 12120622193 in words is "twelve billion, one hundred twenty million, six hundred twenty-two thousand, one hundred ninety-three".