12054469797 has 12 divisors (see below), whose sum is σ = 17882607340. Its totient is φ = 7819115328.

The previous prime is 12054469793. The next prime is 12054469811. The reversal of 12054469797 is 79796445021.

12054469797 is a `hidden beast` number, since 1 + 2 + 0 + 544 + 6 + 9 + 7 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7659575361 + 4394894436 = 87519^2 + 66294^2 .

It is not a de Polignac number, because 12054469797 - 2² = 12054469793 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 (12054469793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18099472 + ... + 18100137.

Almost surely, 2^12054469797 is an apocalyptic number.

It is an amenable number.

12054469797 is a deficient number, since it is larger than the sum of its proper divisors (5828137543).

12054469797 is a wasteful number, since it uses less digits than its factorization.

12054469797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36199652 (or 36199649 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 12054469797 in words is "twelve billion, fifty-four million, four hundred sixty-nine thousand, seven hundred ninety-seven".