1020013112 has 16 divisors (see below), whose sum is σ = 1912882200. Its totient is φ = 509911200.

The previous prime is 1020013097. The next prime is 1020013117. The reversal of 1020013112 is 2113100201.

It is a junction number, because it is equal to n+sod(n) for n = 1020013093 and 1020013102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020013117) 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, 56939 + ... + 72677.

Almost surely, 2^1020013112 is an apocalyptic number.

It is an amenable number.

1020013112 is a deficient number, since it is larger than the sum of its proper divisors (892869088).

1020013112 is a wasteful number, since it uses less digits than its factorization.

1020013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23846 (or 23842 counting only the distinct ones).

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

The square root of 1020013112 is about 31937.6441210055. The cubic root of 1020013112 is about 1006.6270228870.

Adding to 1020013112 its reverse (2113100201), we get a palindrome (3133113313).

The spelling of 1020013112 in words is "one billion, twenty million, thirteen thousand, one hundred twelve".