12000401143 has 4 divisors (see below), whose sum is σ = 12000985360. Its totient is φ = 11999816928.

The previous prime is 12000401137. The next prime is 12000401177. The reversal of 12000401143 is 34110400021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34110400021 = 239 ⋅142721339.

It is a cyclic number.

It is not a de Polignac number, because 12000401143 - 2²⁹ = 11463530231 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 (12000401123) 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, 260130 + ... + 302767.

It is an arithmetic number, because the mean of its divisors is an integer number (3000246340).

Almost surely, 2^12000401143 is an apocalyptic number.

12000401143 is a deficient number, since it is larger than the sum of its proper divisors (584217).

12000401143 is an equidigital number, since it uses as much as digits as its factorization.

12000401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584216.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12000401143 its reverse (34110400021), we get a palindrome (46110801164).

The spelling of 12000401143 in words is "twelve billion, four hundred one thousand, one hundred forty-three".