12226357138 has 16 divisors (see below), whose sum is σ = 19088340480. Its totient is φ = 5866163856.

The previous prime is 12226357103. The next prime is 12226357151. The reversal of 12226357138 is 83175362221.

It is a self number, because there is not a number n which added to its sum of digits gives 12226357138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637170 + ... + 656077.

It is an arithmetic number, because the mean of its divisors is an integer number (1193021280).

Almost surely, 2^12226357138 is an apocalyptic number.

12226357138 is a deficient number, since it is larger than the sum of its proper divisors (6861983342).

12226357138 is a wasteful number, since it uses less digits than its factorization.

12226357138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293441.

The product of its digits is 120960, while the sum is 40.

The spelling of 12226357138 in words is "twelve billion, two hundred twenty-six million, three hundred fifty-seven thousand, one hundred thirty-eight".