12120230343 has 16 divisors (see below), whose sum is σ = 17412234336. Its totient is φ = 7454820480.

The previous prime is 12120230329. The next prime is 12120230371. The reversal of 12120230343 is 34303202121.

It is not a de Polignac number, because 12120230343 - 2¹² = 12120226247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120230383) 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, 73 + ... + 155693.

It is an arithmetic number, because the mean of its divisors is an integer number (1088264646).

Almost surely, 2^12120230343 is an apocalyptic number.

12120230343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12120230343 is a deficient number, since it is larger than the sum of its proper divisors (5292003993).

12120230343 is a wasteful number, since it uses less digits than its factorization.

12120230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157634.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12120230343 its reverse (34303202121), we get a palindrome (46423432464).

The spelling of 12120230343 in words is "twelve billion, one hundred twenty million, two hundred thirty thousand, three hundred forty-three".