12121104144104 has 16 divisors (see below), whose sum is σ = 22842436112100. Its totient is φ = 6029787847552.

The previous prime is 12121104144073. The next prime is 12121104144131. The reversal of 12121104144104 is 40144140112121.

It can be written as a sum of positive squares in 2 ways, for example, as 9412439920900 + 2708664223204 = 3067970^2 + 1645802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845526389 + ... + 3845529540.

Almost surely, 2^{12121104144104} is an apocalyptic number.

It is an amenable number.

12121104144104 is a deficient number, since it is larger than the sum of its proper divisors (10721331967996).

12121104144104 is a wasteful number, since it uses less digits than its factorization.

12121104144104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691056132 (or 7691056128 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 12121104144104 its reverse (40144140112121), we get a palindrome (52265244256225).

The spelling of 12121104144104 in words is "twelve trillion, one hundred twenty-one billion, one hundred four million, one hundred forty-four thousand, one hundred four".