12042030 has 128 divisors (see below), whose sum is σ = 38900736. Its totient is φ = 2304000.

The previous prime is 12041999. The next prime is 12042053. The reversal of 12042030 is 3024021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12041997 and 12042015.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 29830 + ... + 30230.

It is an arithmetic number, because the mean of its divisors is an integer number (303912).

Almost surely, 2^12042030 is an apocalyptic number.

12042030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12042030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19450368).

12042030 is an abundant number, since it is smaller than the sum of its proper divisors (26858706).

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

12042030 is a wasteful number, since it uses less digits than its factorization.

12042030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12042030 is about 3470.1628203875. The cubic root of 12042030 is about 229.2098278301.

Adding to 12042030 its reverse (3024021), we get a palindrome (15066051).

Subtracting from 12042030 its reverse (3024021), we obtain a square (9018009 = 3003²).

The spelling of 12042030 in words is "twelve million, forty-two thousand, thirty".