12142440230 has 16 divisors (see below), whose sum is σ = 23142062880. Its totient is φ = 4571271552.

The previous prime is 12142440223. The next prime is 12142440253. The reversal of 12142440230 is 3204424121.

It is a junction number, because it is equal to n+sod(n) for n = 12142440196 and 12142440205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35712890 + ... + 35713229.

It is an arithmetic number, because the mean of its divisors is an integer number (1446378930).

Almost surely, 2^12142440230 is an apocalyptic number.

12142440230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142440230 is a deficient number, since it is larger than the sum of its proper divisors (10999622650).

12142440230 is a wasteful number, since it uses less digits than its factorization.

12142440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71426143.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12142440230 its reverse (3204424121), we get a palindrome (15346864351).

The spelling of 12142440230 in words is "twelve billion, one hundred forty-two million, four hundred forty thousand, two hundred thirty".