1222002002002 has 8 divisors (see below), whose sum is σ = 1940826709116. Its totient is φ = 575059765632.

The previous prime is 1222002001973. The next prime is 1222002002083. The reversal of 1222002002002 is 2002002002221.

It can be written as a sum of positive squares in 2 ways, for example, as 977015610481 + 244986391521 = 988441^2 + 494961^2 .

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

1222002002002 is a modest number, since divided by 2002002 gives 1222 as remainder.

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, 17970617643 + ... + 17970617710.

Almost surely, 2^{1222002002002} is an apocalyptic number.

1222002002002 is a deficient number, since it is larger than the sum of its proper divisors (718824707114).

1222002002002 is a wasteful number, since it uses less digits than its factorization.

1222002002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35941235372.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1222002002002 its reverse (2002002002221), we get a palindrome (3224004004223).

The spelling of 1222002002002 in words is "one trillion, two hundred twenty-two billion, two million, two thousand, two".