1012221012002 has 8 divisors (see below), whose sum is σ = 1543222198812. Its totient is φ = 497813612400.

The previous prime is 1012221011959. The next prime is 1012221012043. The reversal of 1012221012002 is 2002101222101.

It can be written as a sum of positive squares in 2 ways, for example, as 836952352201 + 175268659801 = 914851^2 + 418651^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 4148446649 + ... + 4148446892.

Almost surely, 2^{1012221012002} is an apocalyptic number.

1012221012002 is a deficient number, since it is larger than the sum of its proper divisors (531001186810).

1012221012002 is an equidigital number, since it uses as much as digits as its factorization.

1012221012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296893604.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012221012002 its reverse (2002101222101), we get a palindrome (3014322234103).

It can be divided in two parts, 101222101 and 2002, that multiplied together give a palindrome (202646646202).

The spelling of 1012221012002 in words is "one trillion, twelve billion, two hundred twenty-one million, twelve thousand, two".