1200350530321 has 2 divisors, whose sum is σ = 1200350530322. Its totient is φ = 1200350530320.

The previous prime is 1200350530307. The next prime is 1200350530343. The reversal of 1200350530321 is 1230350530021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644550459921 + 555800070400 = 802839^2 + 745520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200350530321 - 2⁹ = 1200350529809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200350536321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600175265160 + 600175265161.

It is an arithmetic number, because the mean of its divisors is an integer number (600175265161).

Almost surely, 2^{1200350530321} is an apocalyptic number.

It is an amenable number.

1200350530321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200350530321 is an equidigital number, since it uses as much as digits as its factorization.

1200350530321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 1200350530321 in words is "one trillion, two hundred billion, three hundred fifty million, five hundred thirty thousand, three hundred twenty-one".