121273000361 has 2 divisors, whose sum is σ = 121273000362. Its totient is φ = 121273000360.

The previous prime is 121273000357. The next prime is 121273000369. The reversal of 121273000361 is 163000372121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110369463961 + 10903536400 = 332219^2 + 104420^2 .

It is a cyclic number.

It is not a de Polignac number, because 121273000361 - 2² = 121273000357 is a prime.

It is a super-2 number, since 2×121273000361² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121273000361.

It is not a weakly prime, because it can be changed into another prime (121273000369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60636500180 + 60636500181.

It is an arithmetic number, because the mean of its divisors is an integer number (60636500181).

Almost surely, 2^121273000361 is an apocalyptic number.

It is an amenable number.

121273000361 is a deficient number, since it is larger than the sum of its proper divisors (1).

121273000361 is an equidigital number, since it uses as much as digits as its factorization.

121273000361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 121273000361 its reverse (163000372121), we get a palindrome (284273372482).

The spelling of 121273000361 in words is "one hundred twenty-one billion, two hundred seventy-three million, three hundred sixty-one", and thus it is an aban number.