1212330043441 has 8 divisors (see below), whose sum is σ = 1322806804704. Its totient is φ = 1101897438720.

The previous prime is 1212330043433. The next prime is 1212330043469. The reversal of 1212330043441 is 1443400332121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212330043441 - 2³ = 1212330043433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212330743441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10981711 + ... + 11091556.

It is an arithmetic number, because the mean of its divisors is an integer number (165350850588).

Almost surely, 2^{1212330043441} is an apocalyptic number.

1212330043441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1212330043441 is a deficient number, since it is larger than the sum of its proper divisors (110476761263).

1212330043441 is a wasteful number, since it uses less digits than its factorization.

1212330043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22078271.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1212330043441 its reverse (1443400332121), we get a palindrome (2655730375562).

The spelling of 1212330043441 in words is "one trillion, two hundred twelve billion, three hundred thirty million, forty-three thousand, four hundred forty-one".