12212201121104 has 20 divisors (see below), whose sum is σ = 23661234268980. Its totient is φ = 6106076148480.

The previous prime is 12212201121103. The next prime is 12212201121137. The reversal of 12212201121104 is 40112110221221.

It can be written as a sum of positive squares in 2 ways, for example, as 6943119600400 + 5269081520704 = 2634980^2 + 2295448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212201121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3009914 + ... + 5786534.

It is an arithmetic number, because the mean of its divisors is an integer number (1183061713449).

Almost surely, 2^{12212201121104} is an apocalyptic number.

It is an amenable number.

12212201121104 is a deficient number, since it is larger than the sum of its proper divisors (11449033147876).

12212201121104 is a wasteful number, since it uses less digits than its factorization.

12212201121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051518 (or 3051512 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12212201121104 its reverse (40112110221221), we get a palindrome (52324311342325).

The spelling of 12212201121104 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred four".