12162253824 has 132 divisors (see below), whose sum is σ = 40135348864. Its totient is φ = 3474911232.

The previous prime is 12162253823. The next prime is 12162253853. The reversal of 12162253824 is 42835226121.

12162253824 is a `hidden beast` number, since 1 + 2 + 1 + 622 + 5 + 3 + 8 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12162253823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29752 + ... + 158775.

Almost surely, 2^12162253824 is an apocalyptic number.

12162253824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162253824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20067674432).

12162253824 is an abundant number, since it is smaller than the sum of its proper divisors (27973095040).

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

12162253824 is a wasteful number, since it uses less digits than its factorization.

12162253824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188560 (or 188539 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

Adding to 12162253824 its reverse (42835226121), we get a palindrome (54997479945).

The spelling of 12162253824 in words is "twelve billion, one hundred sixty-two million, two hundred fifty-three thousand, eight hundred twenty-four".