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120131210892061 is a prime number
BaseRepresentation
bin11011010100001000111010…
…001001101101001100011101
3120202100102122122012222012101
4123110020322021231030131
5111221212204442021221
61103255303313405101
734206123252313105
oct3324107211551435
9522312578188171
10120131210892061
11353063a6809486
1211582297569791
13520542b13a585
14219454b2a2205
15dd4d4d956d91
hex6d423a26d31d

120131210892061 has 2 divisors, whose sum is σ = 120131210892062. Its totient is φ = 120131210892060.

The previous prime is 120131210892047. The next prime is 120131210892083. The reversal of 120131210892061 is 160298012131021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79198982183161 + 40932228708900 = 8899381^2 + 6397830^2 .

It is a cyclic number.

It is not a de Polignac number, because 120131210892061 - 231 = 120129063408413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120131210892061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120131210892361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065605446030 + 60065605446031.

It is an arithmetic number, because the mean of its divisors is an integer number (60065605446031).

Almost surely, 2120131210892061 is an apocalyptic number.

It is an amenable number.

120131210892061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120131210892061 is an equidigital number, since it uses as much as digits as its factorization.

120131210892061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 120131210892061 in words is "one hundred twenty trillion, one hundred thirty-one billion, two hundred ten million, eight hundred ninety-two thousand, sixty-one".