1002212001002 has 4 divisors (see below), whose sum is σ = 1503318001506. Its totient is φ = 501106000500.

The previous prime is 1002212000963. The next prime is 1002212001013. The reversal of 1002212001002 is 2001002122001.

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., 918551644921 + 83660356081 = 958411^2 + 289241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250553000249 + ... + 250553000252.

Almost surely, 2^{1002212001002} is an apocalyptic number.

1002212001002 is a deficient number, since it is larger than the sum of its proper divisors (501106000504).

1002212001002 is an equidigital number, since it uses as much as digits as its factorization.

1002212001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501106000503.

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

Adding to 1002212001002 its reverse (2001002122001), we get a palindrome (3003214123003).

The spelling of 1002212001002 in words is "one trillion, two billion, two hundred twelve million, one thousand, two".