1002001201202 has 16 divisors (see below), whose sum is σ = 1543708613592. Its totient is φ = 487433157120.

The previous prime is 1002001201189. The next prime is 1002001201217. The reversal of 1002001201202 is 2021021002001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 969848766481 + 32152434721 = 984809^2 + 179311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011752 + ... + 1740012.

Almost surely, 2^{1002001201202} is an apocalyptic number.

1002001201202 is a deficient number, since it is larger than the sum of its proper divisors (541707412390).

1002001201202 is a wasteful number, since it uses less digits than its factorization.

1002001201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746893.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002001201202 its reverse (2021021002001), we get a palindrome (3023022203203).

The spelling of 1002001201202 in words is "one trillion, two billion, one million, two hundred one thousand, two hundred two".