1212044224401 has 12 divisors (see below), whose sum is σ = 1750764417012. Its totient is φ = 808013850336.

The previous prime is 1212044224381. The next prime is 1212044224409. The reversal of 1212044224401 is 1044224402121.

1212044224401 is a `hidden beast` number, since 1 + 212 + 0 + 4 + 4 + 2 + 2 + 440 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 716426816400 + 495617408001 = 846420^2 + 704001^2 .

It is not a de Polignac number, because 1212044224401 - 2⁶ = 1212044224337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212044224409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801526 + ... + 1751151.

It is an arithmetic number, because the mean of its divisors is an integer number (145897034751).

Almost surely, 2^{1212044224401} is an apocalyptic number.

It is an amenable number.

1212044224401 is a deficient number, since it is larger than the sum of its proper divisors (538720192611).

1212044224401 is a wasteful number, since it uses less digits than its factorization.

1212044224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605440 (or 2605437 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1212044224401 its reverse (1044224402121), we get a palindrome (2256268626522).

The spelling of 1212044224401 in words is "one trillion, two hundred twelve billion, forty-four million, two hundred twenty-four thousand, four hundred one".