12230143421 has 16 divisors (see below), whose sum is σ = 13240584000. Its totient is φ = 11258640000.

The previous prime is 12230143391. The next prime is 12230143423. The reversal of 12230143421 is 12434103221.

It is a de Polignac number, because none of the positive numbers 2^k-12230143421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230143423) 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, 164255 + ... + 226803.

It is an arithmetic number, because the mean of its divisors is an integer number (827536500).

Almost surely, 2^12230143421 is an apocalyptic number.

It is an amenable number.

12230143421 is a deficient number, since it is larger than the sum of its proper divisors (1010440579).

12230143421 is a wasteful number, since it uses less digits than its factorization.

12230143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62860.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12230143421 its reverse (12434103221), we get a palindrome (24664246642).

The spelling of 12230143421 in words is "twelve billion, two hundred thirty million, one hundred forty-three thousand, four hundred twenty-one".