10113012 has 150 divisors (see below), whose sum is σ = 33214258. Its totient is φ = 2667168.

The previous prime is 10113001. The next prime is 10113017. The reversal of 10113012 is 21031101.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 3111696 = 2646^2 + 1764^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10112985 and 10113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113017) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 777918 + ... + 777930.

Almost surely, 2^10113012 is an apocalyptic number.

10113012 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 10113012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16607129).

10113012 is an abundant number, since it is smaller than the sum of its proper divisors (23101246).

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

10113012 is an equidigital number, since it uses as much as digits as its factorization.

10113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10113012 is about 3180.0962249592. The cubic root of 10113012 is about 216.2520206523.

Adding to 10113012 its reverse (21031101), we get a palindrome (31144113).

The spelling of 10113012 in words is "ten million, one hundred thirteen thousand, twelve".