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120012103102981 is a prime number
BaseRepresentation
bin11011010010011001111110…
…110001100011001000000101
3120201221001012210220100222211
4123102121332301203020011
5111212234241343243411
61103124444332223421
734164405535645525
oct3322317661431005
9521831183810884
10120012103102981
113526a935546661
121156319660ab71
1351c7128a5047b
14218c88c649685
15dd1bcbe90221
hex6d267ec63205

120012103102981 has 2 divisors, whose sum is σ = 120012103102982. Its totient is φ = 120012103102980.

The previous prime is 120012103102967. The next prime is 120012103103051. The reversal of 120012103102981 is 189201301210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70589319045025 + 49422784057956 = 8401745^2 + 7030134^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012103102981 - 213 = 120012103094789 is a prime.

It is a super-2 number, since 2×1200121031029812 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012103102951) 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, 60006051551490 + 60006051551491.

It is an arithmetic number, because the mean of its divisors is an integer number (60006051551491).

Almost surely, 2120012103102981 is an apocalyptic number.

It is an amenable number.

120012103102981 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012103102981 is an equidigital number, since it uses as much as digits as its factorization.

120012103102981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 120012103102981 in words is "one hundred twenty trillion, twelve billion, one hundred three million, one hundred two thousand, nine hundred eighty-one".