1002122321312 has 24 divisors (see below), whose sum is σ = 2254775223456. Its totient is φ = 429480994752.

The previous prime is 1002122321279. The next prime is 1002122321339. The reversal of 1002122321312 is 2131232212001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236879958 + ... + 2236880405.

It is an arithmetic number, because the mean of its divisors is an integer number (93948967644).

Almost surely, 2^{1002122321312} is an apocalyptic number.

It is an amenable number.

1002122321312 is an abundant number, since it is smaller than the sum of its proper divisors (1252652902144).

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

1002122321312 is an equidigital number, since it uses as much as digits as its factorization.

1002122321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473760380 (or 4473760372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1002122321312 its reverse (2131232212001), we get a palindrome (3133354533313).

The spelling of 1002122321312 in words is "one trillion, two billion, one hundred twenty-two million, three hundred twenty-one thousand, three hundred twelve".