12054432961 has 8 divisors (see below), whose sum is σ = 12228444800. Its totient is φ = 11880956880.

The previous prime is 12054432953. The next prime is 12054432977. The reversal of 12054432961 is 16923445021.

It is a happy number.

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

It is not a de Polignac number, because 12054432961 - 2³ = 12054432953 is a prime.

It is a super-2 number, since 2×12054432961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12054432961.

It is not an unprimeable number, because it can be changed into a prime (12054432991) 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, 88506 + ... + 178723.

It is an arithmetic number, because the mean of its divisors is an integer number (1528555600).

Almost surely, 2^12054432961 is an apocalyptic number.

It is an amenable number.

12054432961 is a deficient number, since it is larger than the sum of its proper divisors (174011839).

12054432961 is an equidigital number, since it uses as much as digits as its factorization.

12054432961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267879.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 12054432961 its reverse (16923445021), we get a palindrome (28977877982).

The spelling of 12054432961 in words is "twelve billion, fifty-four million, four hundred thirty-two thousand, nine hundred sixty-one".