12005274238 has 8 divisors (see below), whose sum is σ = 18008376480. Its totient is φ = 6002482080.

The previous prime is 12005274233. The next prime is 12005274269. The reversal of 12005274238 is 83247250021.

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 not an unprimeable number, because it can be changed into a prime (12005274233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109803 + ... + 189913.

It is an arithmetic number, because the mean of its divisors is an integer number (2251047060).

Almost surely, 2^12005274238 is an apocalyptic number.

12005274238 is a deficient number, since it is larger than the sum of its proper divisors (6003102242).

12005274238 is an equidigital number, since it uses as much as digits as its factorization.

12005274238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155042.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 12005274238 in words is "twelve billion, five million, two hundred seventy-four thousand, two hundred thirty-eight".