1201120021096 has 32 divisors (see below), whose sum is σ = 2397751017480. Its totient is φ = 562110105600.

The previous prime is 1201120021093. The next prime is 1201120021097. The reversal of 1201120021096 is 6901200211021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 837016392996 + 364103628100 = 914886^2 + 603410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201120021096.

It is not an unprimeable number, because it can be changed into a prime (1201120021093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24372525 + ... + 24421756.

Almost surely, 2^{1201120021096} is an apocalyptic number.

It is an amenable number.

1201120021096 is a deficient number, since it is larger than the sum of its proper divisors (1196630996384).

1201120021096 is a wasteful number, since it uses less digits than its factorization.

1201120021096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48794485 (or 48794481 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1201120021096 in words is "one trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, ninety-six".