1212033233444 has 24 divisors (see below), whose sum is σ = 2336791355136. Its totient is φ = 545469500000.

The previous prime is 1212033233423. The next prime is 1212033233459. The reversal of 1212033233444 is 4443323302121.

It is a super-2 number, since 2×1212033233444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212033233444.

It is an unprimeable number.

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, 136362932 + ... + 136371819.

It is an arithmetic number, because the mean of its divisors is an integer number (97366306464).

Almost surely, 2^{1212033233444} is an apocalyptic number.

It is an amenable number.

1212033233444 is a deficient number, since it is larger than the sum of its proper divisors (1124758121692).

1212033233444 is a wasteful number, since it uses less digits than its factorization.

1212033233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272734867 (or 272734865 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1212033233444 its reverse (4443323302121), we get a palindrome (5655356535565).

The spelling of 1212033233444 in words is "one trillion, two hundred twelve billion, thirty-three million, two hundred thirty-three thousand, four hundred forty-four".