12120000220057 has 2 divisors, whose sum is σ = 12120000220058. Its totient is φ = 12120000220056.

The previous prime is 12120000220051. The next prime is 12120000220087. The reversal of 12120000220057 is 75002200002121.

12120000220057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10352666613136 + 1767333606921 = 3217556^2 + 1329411^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120000220057 - 2²³ = 12119991831449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120000220051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060000110028 + 6060000110029.

It is an arithmetic number, because the mean of its divisors is an integer number (6060000110029).

Almost surely, 2^{12120000220057} is an apocalyptic number.

It is an amenable number.

12120000220057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120000220057 is an equidigital number, since it uses as much as digits as its factorization.

12120000220057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 12120000220057 its reverse (75002200002121), we get a palindrome (87122200222178).

The spelling of 12120000220057 in words is "twelve trillion, one hundred twenty billion, two hundred twenty thousand, fifty-seven".