1212223224441 has 16 divisors (see below), whose sum is σ = 1704775520000. Its totient is φ = 764080352208.

The previous prime is 1212223224437. The next prime is 1212223224521. The reversal of 1212223224441 is 1444223222121.

It is not a de Polignac number, because 1212223224441 - 2² = 1212223224437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212223224399 and 1212223224408.

It is not an unprimeable number, because it can be changed into a prime (1212223224431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21281251 + ... + 21338136.

It is an arithmetic number, because the mean of its divisors is an integer number (106548470000).

Almost surely, 2^{1212223224441} is an apocalyptic number.

It is an amenable number.

1212223224441 is a deficient number, since it is larger than the sum of its proper divisors (492552295559).

1212223224441 is a wasteful number, since it uses less digits than its factorization.

1212223224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42619908.

The product of its digits is 12288, while the sum is 30.

Adding to 1212223224441 its reverse (1444223222121), we get a palindrome (2656446446562).

The spelling of 1212223224441 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, two hundred twenty-four thousand, four hundred forty-one".