12154454354 has 16 divisors (see below), whose sum is σ = 20839363776. Its totient is φ = 5208262800.

The previous prime is 12154454353. The next prime is 12154454357. The reversal of 12154454354 is 45345445121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12154454353) 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, 35324 + ... + 159864.

It is an arithmetic number, because the mean of its divisors is an integer number (1302460236).

Almost surely, 2^12154454354 is an apocalyptic number.

12154454354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12154454354 is a deficient number, since it is larger than the sum of its proper divisors (8684909422).

12154454354 is a wasteful number, since it uses less digits than its factorization.

12154454354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131521.

The product of its digits is 192000, while the sum is 38.

Adding to 12154454354 its reverse (45345445121), we get a palindrome (57499899475).

The spelling of 12154454354 in words is "twelve billion, one hundred fifty-four million, four hundred fifty-four thousand, three hundred fifty-four".