12051054454 has 16 divisors (see below), whose sum is σ = 18114172560. Its totient is φ = 6013010560.

The previous prime is 12051054451. The next prime is 12051054467. The reversal of 12051054454 is 45445015021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051054451) 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, 2909517 + ... + 2913655.

It is an arithmetic number, because the mean of its divisors is an integer number (1132135785).

Almost surely, 2^12051054454 is an apocalyptic number.

12051054454 is a deficient number, since it is larger than the sum of its proper divisors (6063118106).

12051054454 is a wasteful number, since it uses less digits than its factorization.

12051054454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 12051054454 its reverse (45445015021), we get a palindrome (57496069475).

The spelling of 12051054454 in words is "twelve billion, fifty-one million, fifty-four thousand, four hundred fifty-four".