321200130123029 has 2 divisors, whose sum is σ = 321200130123030. Its totient is φ = 321200130123028.

The previous prime is 321200130122959. The next prime is 321200130123071. The reversal of 321200130123029 is 920321031002123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186005327194129 + 135194802928900 = 13638377^2 + 11627330^2 .

It is a cyclic number.

It is not a de Polignac number, because 321200130123029 - 2¹⁶ = 321200130057493 is a prime.

It is a super-2 number, since 2×321200130123029² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321200130122992 and 321200130123010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321200130123529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160600065061514 + 160600065061515.

It is an arithmetic number, because the mean of its divisors is an integer number (160600065061515).

Almost surely, 2^{321200130123029} is an apocalyptic number.

It is an amenable number.

321200130123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

321200130123029 is an equidigital number, since it uses as much as digits as its factorization.

321200130123029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 321200130123029 in words is "three hundred twenty-one trillion, two hundred billion, one hundred thirty million, one hundred twenty-three thousand, twenty-nine".