1212044230042 has 16 divisors (see below), whose sum is σ = 1818902421864. Its totient is φ = 605743488000.

The previous prime is 1212044230013. The next prime is 1212044230043. The reversal of 1212044230042 is 2400324402121.

It can be written as a sum of positive squares in 4 ways, for example, as 1212005029921 + 39200121 = 1100911^2 + 6261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1212044229989 and 1212044230016.

It is not an unprimeable number, because it can be changed into a prime (1212044230043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59284542 + ... + 59304982.

Almost surely, 2^{1212044230042} is an apocalyptic number.

1212044230042 is a deficient number, since it is larger than the sum of its proper divisors (606858191822).

1212044230042 is a wasteful number, since it uses less digits than its factorization.

1212044230042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32625.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1212044230042 its reverse (2400324402121), we get a palindrome (3612368632163).

The spelling of 1212044230042 in words is "one trillion, two hundred twelve billion, forty-four million, two hundred thirty thousand, forty-two".