12254405143 has 4 divisors (see below), whose sum is σ = 12585605320. Its totient is φ = 11923204968.

The previous prime is 12254405131. The next prime is 12254405147. The reversal of 12254405143 is 34150445221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34150445221 = 33377 ⋅1023173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12254405143 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 (12254405147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165600033 + ... + 165600106.

It is an arithmetic number, because the mean of its divisors is an integer number (3146401330).

Almost surely, 2^12254405143 is an apocalyptic number.

12254405143 is a deficient number, since it is larger than the sum of its proper divisors (331200177).

12254405143 is an equidigital number, since it uses as much as digits as its factorization.

12254405143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331200176.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 12254405143 in words is "twelve billion, two hundred fifty-four million, four hundred five thousand, one hundred forty-three".