1200001000202 has 8 divisors (see below), whose sum is σ = 1800874022976. Its totient is φ = 599709659212.

The previous prime is 1200001000139. The next prime is 1200001000207. The reversal of 1200001000202 is 2020001000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1200001000202.

It is not an unprimeable number, because it can be changed into a prime (1200001000207) 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 3 ways as a sum of consecutive naturals, for example, 145415288 + ... + 145423539.

It is an arithmetic number, because the mean of its divisors is an integer number (225109252872).

Almost surely, 2^{1200001000202} is an apocalyptic number.

1200001000202 is a deficient number, since it is larger than the sum of its proper divisors (600873022774).

1200001000202 is a wasteful number, since it uses less digits than its factorization.

1200001000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290840892.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1200001000202 its reverse (2020001000021), we get a palindrome (3220002000223).

The spelling of 1200001000202 in words is "one trillion, two hundred billion, one million, two hundred two", and thus it is an aban number.