13212201112057 has 2 divisors, whose sum is σ = 13212201112058. Its totient is φ = 13212201112056.

The previous prime is 13212201112021. The next prime is 13212201112069. The reversal of 13212201112057 is 75021110221231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12272263106041 + 939938006016 = 3503179^2 + 969504^2 .

It is an emirp because it is prime and its reverse (75021110221231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13212201112057 - 2¹⁵ = 13212201079289 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212201182057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606100556028 + 6606100556029.

It is an arithmetic number, because the mean of its divisors is an integer number (6606100556029).

Almost surely, 2^{13212201112057} is an apocalyptic number.

It is an amenable number.

13212201112057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212201112057 is an equidigital number, since it uses as much as digits as its factorization.

13212201112057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 13212201112057 its reverse (75021110221231), we get a palindrome (88233311333288).

The spelling of 13212201112057 in words is "thirteen trillion, two hundred twelve billion, two hundred one million, one hundred twelve thousand, fifty-seven".