1000344012 has 24 divisors (see below), whose sum is σ = 2355553200. Its totient is φ = 330388416.

The previous prime is 1000343999. The next prime is 1000344029. The reversal of 1000344012 is 2104430001.

It is a super-2 number, since 2×1000344012² = 2001376284688512288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000343982 and 1000344000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381087 + ... + 383702.

It is an arithmetic number, because the mean of its divisors is an integer number (98148050).

Almost surely, 2^1000344012 is an apocalyptic number.

1000344012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000344012 is an abundant number, since it is smaller than the sum of its proper divisors (1355209188).

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

1000344012 is a wasteful number, since it uses less digits than its factorization.

1000344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764905 (or 764903 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1000344012 is about 31628.2154412796. The cubic root of 1000344012 is about 1000.1146575198.

Adding to 1000344012 its reverse (2104430001), we get a palindrome (3104774013).

The spelling of 1000344012 in words is "one billion, three hundred forty-four thousand, twelve".