1222212444403 has 16 divisors (see below), whose sum is σ = 1236093117120. Its totient is φ = 1208388658176.

The previous prime is 1222212444359. The next prime is 1222212444413. The reversal of 1222212444403 is 3044442122221.

It is a cyclic number.

It is not a de Polignac number, because 1222212444403 - 2⁹ = 1222212443891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222212444413) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 104287378 + ... + 104299096.

It is an arithmetic number, because the mean of its divisors is an integer number (77255819820).

Almost surely, 2^{1222212444403} is an apocalyptic number.

1222212444403 is a deficient number, since it is larger than the sum of its proper divisors (13880672717).

1222212444403 is a wasteful number, since it uses less digits than its factorization.

1222212444403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1222212444403 its reverse (3044442122221), we get a palindrome (4266654566624).

The spelling of 1222212444403 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, four hundred forty-four thousand, four hundred three".