1002012201202 has 4 divisors (see below), whose sum is σ = 1503018301806. Its totient is φ = 501006100600.

The previous prime is 1002012201167. The next prime is 1002012201209. The reversal of 1002012201202 is 2021022102001.

It is a happy number.

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., 940572168561 + 61440032641 = 969831^2 + 247871^2 .

It is not an unprimeable number, because it can be changed into a prime (1002012201209) by changing a digit.

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, 250503050299 + ... + 250503050302.

Almost surely, 2^{1002012201202} is an apocalyptic number.

1002012201202 is a deficient number, since it is larger than the sum of its proper divisors (501006100604).

1002012201202 is an equidigital number, since it uses as much as digits as its factorization.

1002012201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501006100603.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002012201202 its reverse (2021022102001), we get a palindrome (3023034303203).

The spelling of 1002012201202 in words is "one trillion, two billion, twelve million, two hundred one thousand, two hundred two".