12213541207057 has 2 divisors, whose sum is σ = 12213541207058. Its totient is φ = 12213541207056.

The previous prime is 12213541207039. The next prime is 12213541207103. The reversal of 12213541207057 is 75070214531221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11156775710976 + 1056765496081 = 3340176^2 + 1027991^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213541207057 - 2¹⁹ = 12213540682769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213541207027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106770603528 + 6106770603529.

It is an arithmetic number, because the mean of its divisors is an integer number (6106770603529).

Almost surely, 2^{12213541207057} is an apocalyptic number.

It is an amenable number.

12213541207057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213541207057 is an equidigital number, since it uses as much as digits as its factorization.

12213541207057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

Adding to 12213541207057 its reverse (75070214531221), we get a palindrome (87283755738278).

The spelling of 12213541207057 in words is "twelve trillion, two hundred thirteen billion, five hundred forty-one million, two hundred seven thousand, fifty-seven".