321120000037 has 2 divisors, whose sum is σ = 321120000038. Its totient is φ = 321120000036.

The previous prime is 321120000001. The next prime is 321120000109. The reversal of 321120000037 is 730000021123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319938428161 + 1181571876 = 565631^2 + 34374^2 .

It is a cyclic number.

It is not a de Polignac number, because 321120000037 - 2⁷ = 321119999909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321119999969 and 321120000023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321120000337) 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, 160560000018 + 160560000019.

It is an arithmetic number, because the mean of its divisors is an integer number (160560000019).

Almost surely, 2^321120000037 is an apocalyptic number.

It is an amenable number.

321120000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

321120000037 is an equidigital number, since it uses as much as digits as its factorization.

321120000037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The spelling of 321120000037 in words is "three hundred twenty-one billion, one hundred twenty million, thirty-seven", and thus it is an aban number.