121200033223273 has 2 divisors, whose sum is σ = 121200033223274. Its totient is φ = 121200033223272.

The previous prime is 121200033223231. The next prime is 121200033223279. The reversal of 121200033223273 is 372322330002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116890867545664 + 4309165677609 = 10811608^2 + 2075853^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200033223273 - 2¹³ = 121200033215081 is a prime.

It is not a weakly prime, because it can be changed into another prime (121200033223279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600016611636 + 60600016611637.

It is an arithmetic number, because the mean of its divisors is an integer number (60600016611637).

Almost surely, 2^{121200033223273} is an apocalyptic number.

It is an amenable number.

121200033223273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200033223273 is an equidigital number, since it uses as much as digits as its factorization.

121200033223273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 121200033223273 its reverse (372322330002121), we get a palindrome (493522363225394).

The spelling of 121200033223273 in words is "one hundred twenty-one trillion, two hundred billion, thirty-three million, two hundred twenty-three thousand, two hundred seventy-three".