1201123324444 has 96 divisors (see below), whose sum is σ = 2257237606400. Its totient is φ = 557624813760.

The previous prime is 1201123324439. The next prime is 1201123324493. The reversal of 1201123324444 is 4444233211021.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 283081387 + ... + 283085629.

Almost surely, 2^{1201123324444} is an apocalyptic number.

It is an amenable number.

1201123324444 is a deficient number, since it is larger than the sum of its proper divisors (1056114281956).

1201123324444 is a wasteful number, since it uses less digits than its factorization.

1201123324444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743 (or 4741 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1201123324444 its reverse (4444233211021), we get a palindrome (5645356535465).

The spelling of 1201123324444 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred twenty-four thousand, four hundred forty-four".