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12120061 is a prime number
BaseRepresentation
bin101110001110…
…111111111101
3211210202121011
4232032333331
511100320221
61111435221
7205006312
oct56167775
924722534
1012120061
116928a88
124085b11
132684845
141876d09
1510e61e1
hexb8effd

12120061 has 2 divisors, whose sum is σ = 12120062. Its totient is φ = 12120060.

The previous prime is 12120049. The next prime is 12120067. The reversal of 12120061 is 16002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11431161 + 688900 = 3381^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120061 - 211 = 12118013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060030 + 6060031.

It is an arithmetic number, because the mean of its divisors is an integer number (6060031).

Almost surely, 212120061 is an apocalyptic number.

It is an amenable number.

12120061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120061 is an equidigital number, since it uses as much as digits as its factorization.

12120061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12120061 is about 3481.3877979909. The cubic root of 12120061 is about 229.7038469338.

Adding to 12120061 its reverse (16002121), we get a palindrome (28122182).

The spelling of 12120061 in words is "twelve million, one hundred twenty thousand, sixty-one".