1002012001222 has 32 divisors (see below), whose sum is σ = 1557702028800. Its totient is φ = 483181983648.

The previous prime is 1002012001153. The next prime is 1002012001241. The reversal of 1002012001222 is 2221002102001.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1121233 + ... + 1805875.

It is an arithmetic number, because the mean of its divisors is an integer number (48678188400).

Almost surely, 2^{1002012001222} is an apocalyptic number.

1002012001222 is a deficient number, since it is larger than the sum of its proper divisors (555690027578).

1002012001222 is a wasteful number, since it uses less digits than its factorization.

1002012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684940.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002012001222 its reverse (2221002102001), we get a palindrome (3223014103223).

The spelling of 1002012001222 in words is "one trillion, two billion, twelve million, one thousand, two hundred twenty-two".