1022212112002 has 8 divisors (see below), whose sum is σ = 1533334106700. Its totient is φ = 511100743104.

The previous prime is 1022212111979. The next prime is 1022212112021. The reversal of 1022212112002 is 2002112122201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 874657023361 + 147555088641 = 935231^2 + 384129^2 .

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, 2411427 + ... + 2803462.

Almost surely, 2^{1022212112002} is an apocalyptic number.

1022212112002 is a deficient number, since it is larger than the sum of its proper divisors (511121994698).

1022212112002 is an equidigital number, since it uses as much as digits as its factorization.

1022212112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312900.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022212112002 its reverse (2002112122201), we get a palindrome (3024324234203).

The spelling of 1022212112002 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twelve thousand, two".