12111304004226 has 72 divisors (see below), whose sum is σ = 32132031076080. Its totient is φ = 3278247695856.

The previous prime is 12111304004147. The next prime is 12111304004291. The reversal of 12111304004226 is 62240040311121.

12111304004226 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 30 + 400 + 4 + 226 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12111304004226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 361342116 + ... + 361375631.

It is an arithmetic number, because the mean of its divisors is an integer number (446278209390).

Almost surely, 2^{12111304004226} is an apocalyptic number.

12111304004226 is an abundant number, since it is smaller than the sum of its proper divisors (20020727071854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111304004226 is a wasteful number, since it uses less digits than its factorization.

12111304004226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722717788 (or 722717778 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12111304004226 its reverse (62240040311121), we get a palindrome (74351344315347).

The spelling of 12111304004226 in words is "twelve trillion, one hundred eleven billion, three hundred four million, four thousand, two hundred twenty-six".