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12120122143 is a prime number
BaseRepresentation
bin10110100100110101…
…00110001100011111
31011021200010222221201
423102122212030133
5144310222402033
65322400140331
7606230224033
oct132232461437
934250128851
1012120122143
11515a547178
1224230076a7
1311b200220c
1482d96a1c3
154ae09c47d
hex2d26a631f

12120122143 has 2 divisors, whose sum is σ = 12120122144. Its totient is φ = 12120122142.

The previous prime is 12120122101. The next prime is 12120122207. The reversal of 12120122143 is 34122102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120122143 - 217 = 12119991071 is a prime.

It is a super-2 number, since 2×121201221432 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120122143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120126143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060061071 + 6060061072.

It is an arithmetic number, because the mean of its divisors is an integer number (6060061072).

Almost surely, 212120122143 is an apocalyptic number.

12120122143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120122143 is an equidigital number, since it uses as much as digits as its factorization.

12120122143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12120122143 its reverse (34122102121), we get a palindrome (46242224264).

The spelling of 12120122143 in words is "twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred forty-three".