20120122222393 has 2 divisors, whose sum is σ = 20120122222394. Its totient is φ = 20120122222392.

The previous prime is 20120122222183. The next prime is 20120122222427. The reversal of 20120122222393 is 39322222102102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15829043116329 + 4291079106064 = 3978573^2 + 2071492^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120122222393 - 2²⁵ = 20120088667961 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120122222093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060061111196 + 10060061111197.

It is an arithmetic number, because the mean of its divisors is an integer number (10060061111197).

Almost surely, 2^{20120122222393} is an apocalyptic number.

It is an amenable number.

20120122222393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120122222393 is an equidigital number, since it uses as much as digits as its factorization.

20120122222393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 20120122222393 its reverse (39322222102102), we get a palindrome (59442344324495).

The spelling of 20120122222393 in words is "twenty trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred ninety-three".