12090272543 has 8 divisors (see below), whose sum is σ = 12295749120. Its totient is φ = 11885532120.

The previous prime is 12090272533. The next prime is 12090272563. The reversal of 12090272543 is 34527209021.

It is a happy number.

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 12090272543 - 2²⁰ = 12089223967 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 (12090272503) 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, 150863 + ... + 216656.

It is an arithmetic number, because the mean of its divisors is an integer number (1536968640).

Almost surely, 2^12090272543 is an apocalyptic number.

12090272543 is a deficient number, since it is larger than the sum of its proper divisors (205476577).

12090272543 is an equidigital number, since it uses as much as digits as its factorization.

12090272543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368077.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12090272543 in words is "twelve billion, ninety million, two hundred seventy-two thousand, five hundred forty-three".