12045522143 has 8 divisors (see below), whose sum is σ = 12342860880. Its totient is φ = 11748352320.

The previous prime is 12045522109. The next prime is 12045522233. The reversal of 12045522143 is 34122554021.

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 12045522143 - 2⁶ = 12045522079 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 (12045522043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108728 + ... + 189506.

It is an arithmetic number, because the mean of its divisors is an integer number (1542857610).

Almost surely, 2^12045522143 is an apocalyptic number.

12045522143 is a deficient number, since it is larger than the sum of its proper divisors (297338737).

12045522143 is an equidigital number, since it uses as much as digits as its factorization.

12045522143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84457.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 12045522143 in words is "twelve billion, forty-five million, five hundred twenty-two thousand, one hundred forty-three".