1000113212 has 24 divisors (see below), whose sum is σ = 2015502720. Its totient is φ = 425346480.

The previous prime is 1000113197. The next prime is 1000113253. The reversal of 1000113212 is 2123110001.

1000113212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000113193 and 1000113202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132662 + ... + 139997.

It is an arithmetic number, because the mean of its divisors is an integer number (83979280).

Almost surely, 2^1000113212 is an apocalyptic number.

It is an amenable number.

1000113212 is an abundant number, since it is smaller than the sum of its proper divisors (1015389508).

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

1000113212 is a wasteful number, since it uses less digits than its factorization.

1000113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272801 (or 272799 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1000113212 is about 31624.5665899155. The cubic root of 1000113212 is about 1000.0377359093.

Adding to 1000113212 its reverse (2123110001), we get a palindrome (3123223213).

The spelling of 1000113212 in words is "one billion, one hundred thirteen thousand, two hundred twelve".