120404043121042 has 96 divisors (see below), whose sum is σ = 203752875165840. Its totient is φ = 53256677376000.

The previous prime is 120404043120953. The next prime is 120404043121051. The reversal of 120404043121042 is 240121340404021.

It can be written as a sum of positive squares in 24 ways, for example, as 9657233696881 + 110746809424161 = 3107609^2 + 10523631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120404043121042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316628542 + ... + 317008582.

Almost surely, 2^{120404043121042} is an apocalyptic number.

120404043121042 is a deficient number, since it is larger than the sum of its proper divisors (83348832044798).

120404043121042 is a wasteful number, since it uses less digits than its factorization.

120404043121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380608 (or 380591 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 120404043121042 its reverse (240121340404021), we get a palindrome (360525383525063).

The spelling of 120404043121042 in words is "one hundred twenty trillion, four hundred four billion, forty-three million, one hundred twenty-one thousand, forty-two".