612116020073 has 2 divisors, whose sum is σ = 612116020074. Its totient is φ = 612116020072.

The previous prime is 612116020039. The next prime is 612116020091. The reversal of 612116020073 is 370020611216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513763533529 + 98352486544 = 716773^2 + 313612^2 .

It is a cyclic number.

It is not a de Polignac number, because 612116020073 - 2³⁶ = 543396543337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (612116020973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306058010036 + 306058010037.

It is an arithmetic number, because the mean of its divisors is an integer number (306058010037).

Almost surely, 2^612116020073 is an apocalyptic number.

It is an amenable number.

612116020073 is a deficient number, since it is larger than the sum of its proper divisors (1).

612116020073 is an equidigital number, since it uses as much as digits as its factorization.

612116020073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 612116020073 its reverse (370020611216), we get a palindrome (982136631289).

The spelling of 612116020073 in words is "six hundred twelve billion, one hundred sixteen million, twenty thousand, seventy-three".