122012120057 has 2 divisors, whose sum is σ = 122012120058. Its totient is φ = 122012120056.

The previous prime is 122012120053. The next prime is 122012120117. The reversal of 122012120057 is 750021210221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110768486761 + 11243633296 = 332819^2 + 106036^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012120057 - 2² = 122012120053 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012120053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006060028 + 61006060029.

It is an arithmetic number, because the mean of its divisors is an integer number (61006060029).

Almost surely, 2^122012120057 is an apocalyptic number.

It is an amenable number.

122012120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012120057 is an equidigital number, since it uses as much as digits as its factorization.

122012120057 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 23.

Adding to 122012120057 its reverse (750021210221), we get a palindrome (872033330278).

The spelling of 122012120057 in words is "one hundred twenty-two billion, twelve million, one hundred twenty thousand, fifty-seven".