12227788443023 has 16 divisors (see below), whose sum is σ = 13191638092416. Its totient is φ = 11291122352640.

The previous prime is 12227788443019. The next prime is 12227788443049. The reversal of 12227788443023 is 32034488772221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12227788443023 - 2² = 12227788443019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227788443083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52196090 + ... + 52429832.

It is an arithmetic number, because the mean of its divisors is an integer number (824477380776).

Almost surely, 2^{12227788443023} is an apocalyptic number.

12227788443023 is a deficient number, since it is larger than the sum of its proper divisors (963849649393).

12227788443023 is a wasteful number, since it uses less digits than its factorization.

12227788443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291874.

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 12227788443023 in words is "twelve trillion, two hundred twenty-seven billion, seven hundred eighty-eight million, four hundred forty-three thousand, twenty-three".