22012120073 has 2 divisors, whose sum is σ = 22012120074. Its totient is φ = 22012120072.

The previous prime is 22012120051. The next prime is 22012120111. The reversal of 22012120073 is 37002121022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15705854329 + 6306265744 = 125323^2 + 79412^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012120073 - 2¹⁰ = 22012119049 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012122073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006060036 + 11006060037.

It is an arithmetic number, because the mean of its divisors is an integer number (11006060037).

Almost surely, 2^22012120073 is an apocalyptic number.

It is an amenable number.

22012120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012120073 is an equidigital number, since it uses as much as digits as its factorization.

22012120073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 22012120073 its reverse (37002121022), we get a palindrome (59014241095).

The spelling of 22012120073 in words is "twenty-two billion, twelve million, one hundred twenty thousand, seventy-three".