1002222013312 has 64 divisors (see below), whose sum is σ = 2243686908960. Its totient is φ = 442452510720.

The previous prime is 1002222013297. The next prime is 1002222013357. The reversal of 1002222013312 is 2133102222001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1002222013312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13055139 + ... + 13131682.

Almost surely, 2^{1002222013312} is an apocalyptic number.

It is an amenable number.

1002222013312 is an abundant number, since it is smaller than the sum of its proper divisors (1241464895648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002222013312 is a wasteful number, since it uses less digits than its factorization.

1002222013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26186871 (or 26186859 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1002222013312 its reverse (2133102222001), we get a palindrome (3135324235313).

The spelling of 1002222013312 in words is "one trillion, two billion, two hundred twenty-two million, thirteen thousand, three hundred twelve".