1212133044044 has 18 divisors (see below), whose sum is σ = 2296956257820. Its totient is φ = 559446020016.

The previous prime is 1212133044041. The next prime is 1212133044121. The reversal of 1212133044044 is 4404403312121.

It is a junction number, because it is equal to n+sod(n) for n = 1212133043998 and 1212133044016.

It is not an unprimeable number, because it can be changed into a prime (1212133044041) 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 5 ways as a sum of consecutive naturals, for example, 896547434 + ... + 896548785.

It is an arithmetic number, because the mean of its divisors is an integer number (127608680990).

Almost surely, 2^{1212133044044} is an apocalyptic number.

It is an amenable number.

1212133044044 is a deficient number, since it is larger than the sum of its proper divisors (1084823213776).

1212133044044 is a wasteful number, since it uses less digits than its factorization.

1212133044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793096249 (or 1793096234 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1212133044044 its reverse (4404403312121), we get a palindrome (5616536356165).

The spelling of 1212133044044 in words is "one trillion, two hundred twelve billion, one hundred thirty-three million, forty-four thousand, forty-four".