1000002312 has 48 divisors (see below), whose sum is σ = 2733672240. Its totient is φ = 330216288.

The previous prime is 1000002307. The next prime is 1000002359. The reversal of 1000002312 is 2132000001.

It is a happy number.

1000002312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000002294 and 1000002303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57198 + ... + 72605.

It is an arithmetic number, because the mean of its divisors is an integer number (56951505).

Almost surely, 2^1000002312 is an apocalyptic number.

1000002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000002312 is an abundant number, since it is smaller than the sum of its proper divisors (1733669928).

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

1000002312 is a wasteful number, since it uses less digits than its factorization.

1000002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129922 (or 129915 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1000002312 is about 31622.8131575924. The cubic root of 1000002312 is about 1000.0007706661. Note that the first 3 decimals are identical.

Adding to 1000002312 its reverse (2132000001), we get a palindrome (3132002313).

The spelling of 1000002312 in words is "one billion, two thousand, three hundred twelve".