12543212414 has 32 divisors (see below), whose sum is σ = 19628118720. Its totient is φ = 6004357632.

The previous prime is 12543212389. The next prime is 12543212431. The reversal of 12543212414 is 41421234521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4343279 + ... + 4346165.

It is an arithmetic number, because the mean of its divisors is an integer number (613378710).

Almost surely, 2^12543212414 is an apocalyptic number.

12543212414 is a deficient number, since it is larger than the sum of its proper divisors (7084906306).

12543212414 is a wasteful number, since it uses less digits than its factorization.

12543212414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524.

The product of its digits is 7680, while the sum is 29.

Adding to 12543212414 its reverse (41421234521), we get a palindrome (53964446935).

The spelling of 12543212414 in words is "twelve billion, five hundred forty-three million, two hundred twelve thousand, four hundred fourteen".