321120000019 has 16 divisors (see below), whose sum is σ = 395462459392. Its totient is φ = 253920067488.

The previous prime is 321120000001. The next prime is 321120000037. The reversal of 321120000019 is 910000021123.

It is an interprime number because it is at equal distance from previous prime (321120000001) and next prime (321120000037).

It is a cyclic number.

It is not a de Polignac number, because 321120000019 - 2¹³ = 321119991827 is a prime.

It is a super-2 number, since 2×321120000019² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321119999960 and 321120000005.

It is not an unprimeable number, because it can be changed into a prime (321120001019) 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 in 15 ways as a sum of consecutive naturals, for example, 909639 + ... + 1212304.

It is an arithmetic number, because the mean of its divisors is an integer number (24716403712).

Almost surely, 2^321120000019 is an apocalyptic number.

321120000019 is a deficient number, since it is larger than the sum of its proper divisors (74342459373).

321120000019 is a wasteful number, since it uses less digits than its factorization.

321120000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123626.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 321120000019 in words is "three hundred twenty-one billion, one hundred twenty million, nineteen", and thus it is an aban number.