12213276448601 has 2 divisors, whose sum is σ = 12213276448602. Its totient is φ = 12213276448600.

The previous prime is 12213276448591. The next prime is 12213276448643. The reversal of 12213276448601 is 10684467231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8103979869001 + 4109296579600 = 2846749^2 + 2027140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213276448601 - 2⁴² = 7815229937497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213276448691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106638224300 + 6106638224301.

It is an arithmetic number, because the mean of its divisors is an integer number (6106638224301).

Almost surely, 2^{12213276448601} is an apocalyptic number.

It is an amenable number.

12213276448601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213276448601 is an equidigital number, since it uses as much as digits as its factorization.

12213276448601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 12213276448601 in words is "twelve trillion, two hundred thirteen billion, two hundred seventy-six million, four hundred forty-eight thousand, six hundred one".