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12412129 is a prime number
BaseRepresentation
bin101111010110…
…010011100001
3212100121020111
4233112103201
511134142004
61122011321
7210333652
oct57262341
925317214
1012412129
117008464
1241a6b41
132757772
141911529
151152a04
hexbd64e1

12412129 has 2 divisors, whose sum is σ = 12412130. Its totient is φ = 12412128.

The previous prime is 12412109. The next prime is 12412151. The reversal of 12412129 is 92121421.

It is an a-pointer prime, because the next prime (12412151) can be obtained adding 12412129 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 1817104 = 3255^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 12412129 - 211 = 12410081 is a prime.

It is not a weakly prime, because it can be changed into another prime (12412109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206064 + 6206065.

It is an arithmetic number, because the mean of its divisors is an integer number (6206065).

Almost surely, 212412129 is an apocalyptic number.

It is an amenable number.

12412129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412129 is an equidigital number, since it uses as much as digits as its factorization.

12412129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 12412129 is about 3523.0851536686. The cubic root of 12412129 is about 231.5343476629.

The spelling of 12412129 in words is "twelve million, four hundred twelve thousand, one hundred twenty-nine".