1023012112 has 20 divisors (see below), whose sum is σ = 2035657036. Its totient is φ = 497681280.

The previous prime is 1023012103. The next prime is 1023012161. The reversal of 1023012112 is 2112103201.

It can be written as a sum of positive squares in 2 ways, for example, as 598487296 + 424524816 = 24464^2 + 20604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023012092 and 1023012101.

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 3 ways as a sum of consecutive naturals, for example, 863439 + ... + 864622.

Almost surely, 2^1023012112 is an apocalyptic number.

It is an amenable number.

1023012112 is a deficient number, since it is larger than the sum of its proper divisors (1012644924).

1023012112 is a wasteful number, since it uses less digits than its factorization.

1023012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728106 (or 1728100 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1023012112 is about 31984.5605253535. The cubic root of 1023012112 is about 1007.6126051876.

Adding to 1023012112 its reverse (2112103201), we get a palindrome (3135115313).

The spelling of 1023012112 in words is "one billion, twenty-three million, twelve thousand, one hundred twelve".