12012830 has 8 divisors (see below), whose sum is σ = 21623112. Its totient is φ = 4805128.

The previous prime is 12012817. The next prime is 12012851. The reversal of 12012830 is 3821021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12012799 and 12012808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600632 + ... + 600651.

It is an arithmetic number, because the mean of its divisors is an integer number (2702889).

Almost surely, 2^12012830 is an apocalyptic number.

12012830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012830 is a deficient number, since it is larger than the sum of its proper divisors (9610282).

12012830 is a wasteful number, since it uses less digits than its factorization.

12012830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201290.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12012830 is about 3465.9529714063. The cubic root of 12012830 is about 229.0244121366.

Adding to 12012830 its reverse (3821021), we get a palindrome (15833851).

The spelling of 12012830 in words is "twelve million, twelve thousand, eight hundred thirty".