120000220073 has 2 divisors, whose sum is σ = 120000220074. Its totient is φ = 120000220072.

The previous prime is 120000220061. The next prime is 120000220139. The reversal of 120000220073 is 370022000021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91172594704 + 28827625369 = 301948^2 + 169787^2 .

It is an emirp because it is prime and its reverse (370022000021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120000220073 - 2¹⁴ = 120000203689 is a prime.

It is not a weakly prime, because it can be changed into another prime (120000220573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000110036 + 60000110037.

It is an arithmetic number, because the mean of its divisors is an integer number (60000110037).

Almost surely, 2^120000220073 is an apocalyptic number.

It is an amenable number.

120000220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000220073 is an equidigital number, since it uses as much as digits as its factorization.

120000220073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

Adding to 120000220073 its reverse (370022000021), we get a palindrome (490022220094).

The spelling of 120000220073 in words is "one hundred twenty billion, two hundred twenty thousand, seventy-three".