1230012 has 48 divisors (see below), whose sum is σ = 3646720. Its totient is φ = 351216.

The previous prime is 1229999. The next prime is 1230013. The reversal of 1230012 is 2100321.

It is a happy number.

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 = 1229976 and 1230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58 + ... + 1569.

2^1230012 is an apocalyptic number.

1230012 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 1230012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823360).

1230012 is an abundant number, since it is smaller than the sum of its proper divisors (2416708).

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

1230012 is a wasteful number, since it uses less digits than its factorization.

1230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1230012 is about 1109.0590606456. The cubic root of 1230012 is about 107.1444754041.

Adding to 1230012 its reverse (2100321), we get a palindrome (3330333).

The spelling of 1230012 in words is "one million, two hundred thirty thousand, twelve".