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12602692121 is a prime number
BaseRepresentation
bin10111011110010110…
…11101001000011001
31012112022012002111212
423233023131020121
5201302242121441
65442315232505
7624210054425
oct135713351031
935468162455
1012602692121
115387989138
122538748735
13125ac93896
14877aa5b85
154db620eeb
hex2ef2dd219

12602692121 has 2 divisors, whose sum is σ = 12602692122. Its totient is φ = 12602692120.

The previous prime is 12602692057. The next prime is 12602692163. The reversal of 12602692121 is 12129620621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602532121 + 160000 = 112261^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 12602692121 - 26 = 12602692057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12602692021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301346060 + 6301346061.

It is an arithmetic number, because the mean of its divisors is an integer number (6301346061).

Almost surely, 212602692121 is an apocalyptic number.

It is an amenable number.

12602692121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12602692121 is an equidigital number, since it uses as much as digits as its factorization.

12602692121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 12602692121 in words is "twelve billion, six hundred two million, six hundred ninety-two thousand, one hundred twenty-one".