1001201220002 has 4 divisors (see below), whose sum is σ = 1501801830006. Its totient is φ = 500600610000.

The previous prime is 1001201220001. The next prime is 1001201220017. The reversal of 1001201220002 is 2000221021001.

It is a happy number.

1001201220002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 596971024321 + 404230195681 = 772639^2 + 635791^2 .

It is not an unprimeable number, because it can be changed into a prime (1001201220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250300304999 + ... + 250300305002.

Almost surely, 2^{1001201220002} is an apocalyptic number.

1001201220002 is a deficient number, since it is larger than the sum of its proper divisors (500600610004).

1001201220002 is an equidigital number, since it uses as much as digits as its factorization.

1001201220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500600610003.

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

Adding to 1001201220002 its reverse (2000221021001), we get a palindrome (3001422241003).

The spelling of 1001201220002 in words is "one trillion, one billion, two hundred one million, two hundred twenty thousand, two".