12054201791 has 4 divisors (see below), whose sum is σ = 12123879432. Its totient is φ = 11984524152.

The previous prime is 12054201773. The next prime is 12054201811. The reversal of 12054201791 is 19710245021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19710245021 = 5039 ⋅3911539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12054201791 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 (12054201751) 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, 34838561 + ... + 34838906.

It is an arithmetic number, because the mean of its divisors is an integer number (3030969858).

Almost surely, 2^12054201791 is an apocalyptic number.

12054201791 is a deficient number, since it is larger than the sum of its proper divisors (69677641).

12054201791 is an equidigital number, since it uses as much as digits as its factorization.

12054201791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69677640.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 12054201791 in words is "twelve billion, fifty-four million, two hundred one thousand, seven hundred ninety-one".