1002213312 has 56 divisors (see below), whose sum is σ = 2679076176. Its totient is φ = 330620928.

The previous prime is 1002213301. The next prime is 1002213319. The reversal of 1002213312 is 2133122001.

It is a junction number, because it is equal to n+sod(n) for n = 1002213291 and 1002213300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002213319) by changing a digit.

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, 8283 + ... + 45530.

It is an arithmetic number, because the mean of its divisors is an integer number (47840646).

Almost surely, 2^1002213312 is an apocalyptic number.

1002213312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002213312 is an abundant number, since it is smaller than the sum of its proper divisors (1676862864).

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

1002213312 is an equidigital number, since it uses as much as digits as its factorization.

1002213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53925 (or 53915 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1002213312 is about 31657.7527945368. The cubic root of 1002213312 is about 1000.7372270294.

Adding to 1002213312 its reverse (2133122001), we get a palindrome (3135335313).

The spelling of 1002213312 in words is "one billion, two million, two hundred thirteen thousand, three hundred twelve".