12154873238 has 8 divisors (see below), whose sum is σ = 18271689888. Its totient is φ = 6064309944.

The previous prime is 12154873229. The next prime is 12154873261. The reversal of 12154873238 is 83237845121.

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, 6562181 + ... + 6564032.

It is an arithmetic number, because the mean of its divisors is an integer number (2283961236).

Almost surely, 2^12154873238 is an apocalyptic number.

12154873238 is a deficient number, since it is larger than the sum of its proper divisors (6116816650).

12154873238 is a wasteful number, since it uses less digits than its factorization.

12154873238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126678.

The product of its digits is 322560, while the sum is 44.

The spelling of 12154873238 in words is "twelve billion, one hundred fifty-four million, eight hundred seventy-three thousand, two hundred thirty-eight".