12484372154 has 4 divisors (see below), whose sum is σ = 18726558234. Its totient is φ = 6242186076.

The previous prime is 12484372151. The next prime is 12484372169. The reversal of 12484372154 is 45127348421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45127348421 = 23 ⋅1962058627.

It can be written as a sum of positive squares in only one way, i.e., 10327234129 + 2157138025 = 101623^2 + 46445^2 .

It is not an unprimeable number, because it can be changed into a prime (12484372151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121093037 + ... + 3121093040.

Almost surely, 2^12484372154 is an apocalyptic number.

12484372154 is a deficient number, since it is larger than the sum of its proper divisors (6242186080).

12484372154 is an equidigital number, since it uses as much as digits as its factorization.

12484372154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242186079.

The product of its digits is 215040, while the sum is 41.

The spelling of 12484372154 in words is "twelve billion, four hundred eighty-four million, three hundred seventy-two thousand, one hundred fifty-four".