1202220012005 has 4 divisors (see below), whose sum is σ = 1442664014412. Its totient is φ = 961776009600.

The previous prime is 1202220012001. The next prime is 1202220012031. The reversal of 1202220012005 is 5002100222021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393519090721 + 808700921284 = 627311^2 + 899278^2 .

It is not a de Polignac number, because 1202220012005 - 2² = 1202220012001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202220012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120222001196 + ... + 120222001205.

It is an arithmetic number, because the mean of its divisors is an integer number (360666003603).

Almost surely, 2^{1202220012005} is an apocalyptic number.

It is an amenable number.

1202220012005 is a deficient number, since it is larger than the sum of its proper divisors (240444002407).

1202220012005 is an equidigital number, since it uses as much as digits as its factorization.

1202220012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240444002406.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1202220012005 its reverse (5002100222021), we get a palindrome (6204320234026).

The spelling of 1202220012005 in words is "one trillion, two hundred two billion, two hundred twenty million, twelve thousand, five".