120020011309973 has 2 divisors, whose sum is σ = 120020011309974. Its totient is φ = 120020011309972.

The previous prime is 120020011309951. The next prime is 120020011309993. The reversal of 120020011309973 is 379903110020021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117530706780964 + 2489304529009 = 10841158^2 + 1577753^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020011309973 - 2³² = 120015716342677 is a prime.

It is a super-2 number, since 2×120020011309973² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020011309993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010005654986 + 60010005654987.

It is an arithmetic number, because the mean of its divisors is an integer number (60010005654987).

Almost surely, 2^{120020011309973} is an apocalyptic number.

It is an amenable number.

120020011309973 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020011309973 is an equidigital number, since it uses as much as digits as its factorization.

120020011309973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

Adding to 120020011309973 its reverse (379903110020021), we get a palindrome (499923121329994).

The spelling of 120020011309973 in words is "one hundred twenty trillion, twenty billion, eleven million, three hundred nine thousand, nine hundred seventy-three".