12162318488238 has 16 divisors (see below), whose sum is σ = 24325159893120. Its totient is φ = 4054019009976.

The previous prime is 12162318488237. The next prime is 12162318488249. The reversal of 12162318488238 is 83288481326121.

12162318488238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162318488237) 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, 21485508 + ... + 22044311.

It is an arithmetic number, because the mean of its divisors is an integer number (1520322493320).

Almost surely, 2^{12162318488238} is an apocalyptic number.

12162318488238 is an abundant number, since it is smaller than the sum of its proper divisors (12162841404882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12162318488238 is a wasteful number, since it uses less digits than its factorization.

12162318488238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43576391.

The product of its digits is 7077888, while the sum is 57.

The spelling of 12162318488238 in words is "twelve trillion, one hundred sixty-two billion, three hundred eighteen million, four hundred eighty-eight thousand, two hundred thirty-eight".