1002211321312 has 48 divisors (see below), whose sum is σ = 2123417186352. Its totient is φ = 463897221120.

The previous prime is 1002211321283. The next prime is 1002211321361. The reversal of 1002211321312 is 2131231122001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002211321312.

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 7 ways as a sum of consecutive naturals, for example, 15067638 + ... + 15134005.

It is an arithmetic number, because the mean of its divisors is an integer number (44237858049).

Almost surely, 2^{1002211321312} is an apocalyptic number.

It is an amenable number.

1002211321312 is an abundant number, since it is smaller than the sum of its proper divisors (1121205865040).

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

1002211321312 is a wasteful number, since it uses less digits than its factorization.

1002211321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30201731 (or 30201723 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1002211321312 its reverse (2131231122001), we get a palindrome (3133442443313).

The spelling of 1002211321312 in words is "one trillion, two billion, two hundred eleven million, three hundred twenty-one thousand, three hundred twelve".