12154344254 has 8 divisors (see below), whose sum is σ = 19633940760. Its totient is φ = 5609697336.

The previous prime is 12154344247. The next prime is 12154344269. The reversal of 12154344254 is 45244345121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233737364 + ... + 233737415.

It is an arithmetic number, because the mean of its divisors is an integer number (2454242595).

Almost surely, 2^12154344254 is an apocalyptic number.

12154344254 is a deficient number, since it is larger than the sum of its proper divisors (7479596506).

12154344254 is a wasteful number, since it uses less digits than its factorization.

12154344254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467474794.

The product of its digits is 76800, while the sum is 35.

Adding to 12154344254 its reverse (45244345121), we get a palindrome (57398689375).

The spelling of 12154344254 in words is "twelve billion, one hundred fifty-four million, three hundred forty-four thousand, two hundred fifty-four".