1212033444 has 48 divisors (see below), whose sum is σ = 2856977088. Its totient is φ = 399904128.

The previous prime is 1212033439. The next prime is 1212033467. The reversal of 1212033444 is 4443302121.

It is a super-2 number, since 2×1212033444² = 2938050138749002272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540694 + ... + 542930.

It is an arithmetic number, because the mean of its divisors is an integer number (59520356).

Almost surely, 2^1212033444 is an apocalyptic number.

It is an amenable number.

1212033444 is an abundant number, since it is smaller than the sum of its proper divisors (1644943644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212033444 is a wasteful number, since it uses less digits than its factorization.

1212033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1212033444 is about 34814.2706946447. The cubic root of 1212033444 is about 1066.1988289954.

Adding to 1212033444 its reverse (4443302121), we get a palindrome (5655335565).

The spelling of 1212033444 in words is "one billion, two hundred twelve million, thirty-three thousand, four hundred forty-four".