1032121220209 has 2 divisors, whose sum is σ = 1032121220210. Its totient is φ = 1032121220208.

The previous prime is 1032121220171. The next prime is 1032121220233. The reversal of 1032121220209 is 9020221212301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518548330609 + 513572889600 = 720103^2 + 716640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032121220209 - 2¹⁵ = 1032121187441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1032121220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516060610104 + 516060610105.

It is an arithmetic number, because the mean of its divisors is an integer number (516060610105).

Almost surely, 2^{1032121220209} is an apocalyptic number.

It is an amenable number.

1032121220209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032121220209 is an equidigital number, since it uses as much as digits as its factorization.

1032121220209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1032121220209 in words is "one trillion, thirty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred nine".