1205601321283 has 2 divisors, whose sum is σ = 1205601321284. Its totient is φ = 1205601321282.

The previous prime is 1205601321187. The next prime is 1205601321341. The reversal of 1205601321283 is 3821231065021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1205601321283 - 2²⁹ = 1205064450371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205601331283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602800660641 + 602800660642.

It is an arithmetic number, because the mean of its divisors is an integer number (602800660642).

Almost surely, 2^{1205601321283} is an apocalyptic number.

1205601321283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205601321283 is an equidigital number, since it uses as much as digits as its factorization.

1205601321283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1205601321283 in words is "one trillion, two hundred five billion, six hundred one million, three hundred twenty-one thousand, two hundred eighty-three".