120421200329 has 2 divisors, whose sum is σ = 120421200330. Its totient is φ = 120421200328.

The previous prime is 120421200311. The next prime is 120421200337. The reversal of 120421200329 is 923002124021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77395240000 + 43025960329 = 278200^2 + 207427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120421200329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120421200298 and 120421200307.

It is not a weakly prime, because it can be changed into another prime (120421208329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210600164 + 60210600165.

It is an arithmetic number, because the mean of its divisors is an integer number (60210600165).

Almost surely, 2^120421200329 is an apocalyptic number.

It is an amenable number.

120421200329 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421200329 is an equidigital number, since it uses as much as digits as its factorization.

120421200329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 120421200329 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred thousand, three hundred twenty-nine".