121500330433 has 2 divisors, whose sum is σ = 121500330434. Its totient is φ = 121500330432.

The previous prime is 121500330431. The next prime is 121500330481. The reversal of 121500330433 is 334033005121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73779054129 + 47721276304 = 271623^2 + 218452^2 .

It is a cyclic number.

It is not a de Polignac number, because 121500330433 - 2¹ = 121500330431 is a prime.

Together with 121500330431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 121500330398 and 121500330407.

It is not a weakly prime, because it can be changed into another prime (121500330431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60750165216 + 60750165217.

It is an arithmetic number, because the mean of its divisors is an integer number (60750165217).

Almost surely, 2^121500330433 is an apocalyptic number.

It is an amenable number.

121500330433 is a deficient number, since it is larger than the sum of its proper divisors (1).

121500330433 is an equidigital number, since it uses as much as digits as its factorization.

121500330433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 121500330433 its reverse (334033005121), we get a palindrome (455533335554).

The spelling of 121500330433 in words is "one hundred twenty-one billion, five hundred million, three hundred thirty thousand, four hundred thirty-three".