1000012992 has 112 divisors (see below), whose sum is σ = 2915058432. Its totient is φ = 300026880.

The previous prime is 1000012963. The next prime is 1000013011. The reversal of 1000012992 is 2992100001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 215238 + ... + 219834.

Almost surely, 2^1000012992 is an apocalyptic number.

1000012992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000012992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457529216).

1000012992 is an abundant number, since it is smaller than the sum of its proper divisors (1915045440).

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

1000012992 is a wasteful number, since it uses less digits than its factorization.

1000012992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4716 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1000012992 is about 31622.9820225734. The cubic root of 1000012992 is about 1000.0043306479.

Adding to 1000012992 its reverse (2992100001), we get a palindrome (3992112993).

It can be divided in two parts, 100001 and 2992, that multiplied together give a palindrome (299202992).

The spelling of 1000012992 in words is "one billion, twelve thousand, nine hundred ninety-two".