1012002001202 has 8 divisors (see below), whose sum is σ = 1518010064796. Its totient is φ = 505998646272.

The previous prime is 1012002001189. The next prime is 1012002001217. The reversal of 1012002001202 is 2021002002101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 859293774361 + 152708226841 = 926981^2 + 390779^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579083 + ... + 1536014.

Almost surely, 2^{1012002001202} is an apocalyptic number.

1012002001202 is a deficient number, since it is larger than the sum of its proper divisors (506008063594).

1012002001202 is a wasteful number, since it uses less digits than its factorization.

1012002001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354332.

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

Adding to 1012002001202 its reverse (2021002002101), we get a palindrome (3033004003303).

The spelling of 1012002001202 in words is "one trillion, twelve billion, two million, one thousand, two hundred two".