1200322103081 has 2 divisors, whose sum is σ = 1200322103082. Its totient is φ = 1200322103080.

The previous prime is 1200322103041. The next prime is 1200322103177. The reversal of 1200322103081 is 1803012230021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952576000000 + 247746103081 = 976000^2 + 497741^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200322103081 - 2¹⁸ = 1200321840937 is a prime.

It is a super-2 number, since 2×1200322103081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200322103041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600161051540 + 600161051541.

It is an arithmetic number, because the mean of its divisors is an integer number (600161051541).

Almost surely, 2^{1200322103081} is an apocalyptic number.

It is an amenable number.

1200322103081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200322103081 is an equidigital number, since it uses as much as digits as its factorization.

1200322103081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1200322103081 in words is "one trillion, two hundred billion, three hundred twenty-two million, one hundred three thousand, eighty-one".