12224178507838 has 64 divisors (see below), whose sum is σ = 21784174214400. Its totient is φ = 5081992151040.

The previous prime is 12224178507829. The next prime is 12224178507883. The reversal of 12224178507838 is 83870587142221.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142717981 + ... + 142803607.

It is an arithmetic number, because the mean of its divisors is an integer number (340377722100).

Almost surely, 2^{12224178507838} is an apocalyptic number.

12224178507838 is a deficient number, since it is larger than the sum of its proper divisors (9559995706562).

12224178507838 is a wasteful number, since it uses less digits than its factorization.

12224178507838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97465.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 12224178507838 in words is "twelve trillion, two hundred twenty-four billion, one hundred seventy-eight million, five hundred seven thousand, eight hundred thirty-eight".