12254532143 has 8 divisors (see below), whose sum is σ = 14010138912. Its totient is φ = 10500165216.

The previous prime is 12254532137. The next prime is 12254532149. The reversal of 12254532143 is 34123545221.

It is an interprime number because it is at equal distance from previous prime (12254532137) and next prime (12254532149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12254532143 - 2⁶ = 12254532079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254532149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288680 + ... + 328397.

It is an arithmetic number, because the mean of its divisors is an integer number (1751267364).

Almost surely, 2^12254532143 is an apocalyptic number.

12254532143 is a deficient number, since it is larger than the sum of its proper divisors (1755606769).

12254532143 is an equidigital number, since it uses as much as digits as its factorization.

12254532143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619921.

The product of its digits is 28800, while the sum is 32.

The spelling of 12254532143 in words is "twelve billion, two hundred fifty-four million, five hundred thirty-two thousand, one hundred forty-three".