1001330012 has 12 divisors (see below), whose sum is σ = 1758565536. Its totient is φ = 498882720.

The previous prime is 1001329999. The next prime is 1001330017. The reversal of 1001330012 is 2100331001.

It is a super-3 number, since 3×1001330012³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001329975 and 1001330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001330017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444308 + ... + 446555.

It is an arithmetic number, because the mean of its divisors is an integer number (146547128).

Almost surely, 2^1001330012 is an apocalyptic number.

It is an amenable number.

1001330012 is a deficient number, since it is larger than the sum of its proper divisors (757235524).

1001330012 is a wasteful number, since it uses less digits than its factorization.

1001330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891148 (or 891146 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1001330012 is about 31643.7989501893. The cubic root of 1001330012 is about 1000.4431409304.

Adding to 1001330012 its reverse (2100331001), we get a palindrome (3101661013).

The spelling of 1001330012 in words is "one billion, one million, three hundred thirty thousand, twelve".