121433433019 has 2 divisors, whose sum is σ = 121433433020. Its totient is φ = 121433433018.

The previous prime is 121433432999. The next prime is 121433433041. The reversal of 121433433019 is 910334334121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121433433019 - 2⁹ = 121433432507 is a prime.

It is a super-2 number, since 2×121433433019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121433473019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60716716509 + 60716716510.

It is an arithmetic number, because the mean of its divisors is an integer number (60716716510).

Almost surely, 2^121433433019 is an apocalyptic number.

121433433019 is a deficient number, since it is larger than the sum of its proper divisors (1).

121433433019 is an equidigital number, since it uses as much as digits as its factorization.

121433433019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 121433433019 in words is "one hundred twenty-one billion, four hundred thirty-three million, four hundred thirty-three thousand, nineteen".