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12120144293 is a prime number
BaseRepresentation
bin10110100100110101…
…01011100110100101
31011021200012010100002
423102122223212211
5144310224104133
65322400431045
7606230345435
oct132232534645
934250163302
1012120144293
11515a561884
122423018485
1311b200c31a
1482d9742c5
154ae0a3ce8
hex2d26ab9a5

12120144293 has 2 divisors, whose sum is σ = 12120144294. Its totient is φ = 12120144292.

The previous prime is 12120144167. The next prime is 12120144301. The reversal of 12120144293 is 39244102121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12030141124 + 90003169 = 109682^2 + 9487^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120144293 - 28 = 12120144037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120143293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060072146 + 6060072147.

It is an arithmetic number, because the mean of its divisors is an integer number (6060072147).

Almost surely, 212120144293 is an apocalyptic number.

It is an amenable number.

12120144293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120144293 is an equidigital number, since it uses as much as digits as its factorization.

12120144293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 12120144293 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, two hundred ninety-three".