12219450628613 has 2 divisors, whose sum is σ = 12219450628614. Its totient is φ = 12219450628612.

The previous prime is 12219450628603. The next prime is 12219450628657. The reversal of 12219450628613 is 31682605491221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12216968297284 + 2482331329 = 3495278^2 + 49823^2 .

It is a cyclic number.

It is not a de Polignac number, because 12219450628613 - 2⁶ = 12219450628549 is a prime.

It is a super-2 number, since 2×12219450628613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12219450628603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6109725314306 + 6109725314307.

It is an arithmetic number, because the mean of its divisors is an integer number (6109725314307).

Almost surely, 2^{12219450628613} is an apocalyptic number.

It is an amenable number.

12219450628613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12219450628613 is an equidigital number, since it uses as much as digits as its factorization.

12219450628613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 12219450628613 in words is "twelve trillion, two hundred nineteen billion, four hundred fifty million, six hundred twenty-eight thousand, six hundred thirteen".