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1302200032121 is a prime number
BaseRepresentation
bin10010111100110001001…
…010111001101101111001
311121111012120002122221022
4102330301022321231321
5132313401202011441
62434120013552225
7163036505433242
oct22746112715571
94544176078838
101302200032121
11462294a7395a
121904601a5675
1395a48b3a5b1
1447053833cc9
1523d1714b84b
hex12f312b9b79

1302200032121 has 2 divisors, whose sum is σ = 1302200032122. Its totient is φ = 1302200032120.

The previous prime is 1302200032093. The next prime is 1302200032141. The reversal of 1302200032121 is 1212300022031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935497118521 + 366702913600 = 967211^2 + 605560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1302200032121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1302200032121.

It is not a weakly prime, because it can be changed into another prime (1302200032141) 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, 651100016060 + 651100016061.

It is an arithmetic number, because the mean of its divisors is an integer number (651100016061).

Almost surely, 21302200032121 is an apocalyptic number.

It is an amenable number.

1302200032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302200032121 is an equidigital number, since it uses as much as digits as its factorization.

1302200032121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1302200032121 its reverse (1212300022031), we get a palindrome (2514500054152).

The spelling of 1302200032121 in words is "one trillion, three hundred two billion, two hundred million, thirty-two thousand, one hundred twenty-one".