1212234044422 has 16 divisors (see below), whose sum is σ = 1951687047312. Its totient is φ = 562648515840.

The previous prime is 1212234044407. The next prime is 1212234044429. The reversal of 1212234044422 is 2244404322121.

It is a super-2 number, since 2×1212234044422² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212234044429) 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 7 ways as a sum of consecutive naturals, for example, 244202604 + ... + 244207567.

It is an arithmetic number, because the mean of its divisors is an integer number (121980440457).

Almost surely, 2^{1212234044422} is an apocalyptic number.

1212234044422 is a deficient number, since it is larger than the sum of its proper divisors (739453002890).

1212234044422 is a wasteful number, since it uses less digits than its factorization.

1212234044422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488410263.

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

Adding to 1212234044422 its reverse (2244404322121), we get a palindrome (3456638366543).

The spelling of 1212234044422 in words is "one trillion, two hundred twelve billion, two hundred thirty-four million, forty-four thousand, four hundred twenty-two".