2001200001202 has 4 divisors (see below), whose sum is σ = 3001800001806. Its totient is φ = 1000600000600.

The previous prime is 2001200001181. The next prime is 2001200001331. The reversal of 2001200001202 is 2021000021002.

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

It can be written as a sum of positive squares in only one way, i.e., 1991002838841 + 10197162361 = 1411029^2 + 100981^2 .

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 as a sum of consecutive naturals, namely, 500300000299 + ... + 500300000302.

Almost surely, 2^{2001200001202} is an apocalyptic number.

2001200001202 is a deficient number, since it is larger than the sum of its proper divisors (1000600000604).

2001200001202 is a wasteful number, since it uses less digits than its factorization.

2001200001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000600000603.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2001200001202 its reverse (2021000021002), we get a palindrome (4022200022204).

The spelling of 2001200001202 in words is "two trillion, one billion, two hundred million, one thousand, two hundred two".