12219713887667 has 32 divisors (see below), whose sum is σ = 15599079229440. Its totient is φ = 9401230656000.

The previous prime is 12219713887639. The next prime is 12219713887673. The reversal of 12219713887667 is 76678831791221.

It is a cyclic number.

It is not a de Polignac number, because 12219713887667 - 2¹² = 12219713883571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12219713887597 and 12219713887606.

It is not an unprimeable number, because it can be changed into a prime (12219713887967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72456134 + ... + 72624587.

It is an arithmetic number, because the mean of its divisors is an integer number (487471225920).

Almost surely, 2^{12219713887667} is an apocalyptic number.

12219713887667 is a deficient number, since it is larger than the sum of its proper divisors (3379365341773).

12219713887667 is a wasteful number, since it uses less digits than its factorization.

12219713887667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145080795.

The product of its digits is 85349376, while the sum is 68.

The spelling of 12219713887667 in words is "twelve trillion, two hundred nineteen billion, seven hundred thirteen million, eight hundred eighty-seven thousand, six hundred sixty-seven".