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BaseRepresentation
bin11011100011110101101110…
…000001110000111001011111
3120220011120111112022122101201
4123203311232001300321133
5111341401310203012412
61105443054241420331
734350066501462664
oct3343655601607137
9526146445278351
10121210118016607
1135691a167519a4
12117173bb33a6a7
1352830accb3049
1421d085b27ba6b
15e02e47761e57
hex6e3d6e070e5f

121210118016607 has 2 divisors, whose sum is σ = 121210118016608. Its totient is φ = 121210118016606.

The previous prime is 121210118016583. The next prime is 121210118016623. The reversal of 121210118016607 is 706610811012121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121210118016607 is a prime.

It is a super-4 number, since 4×1212101180166074 (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210118016697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605059008303 + 60605059008304.

It is an arithmetic number, because the mean of its divisors is an integer number (60605059008304).

Almost surely, 2121210118016607 is an apocalyptic number.

121210118016607 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210118016607 is an equidigital number, since it uses as much as digits as its factorization.

121210118016607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 37.

Adding to 121210118016607 its reverse (706610811012121), we get a palindrome (827820929028728).

The spelling of 121210118016607 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred eighteen million, sixteen thousand, six hundred seven".