12037381224 has 128 divisors (see below), whose sum is σ = 33787514880. Its totient is φ = 3542054400.

The previous prime is 12037381193. The next prime is 12037381229. The reversal of 12037381224 is 42218373021.

It is a Cunningham number, because it is equal to 109715²-1.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12037381229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2411259 + ... + 2416245.

It is an arithmetic number, because the mean of its divisors is an integer number (263964960).

Almost surely, 2^12037381224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12037381224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16893757440).

12037381224 is an abundant number, since it is smaller than the sum of its proper divisors (21750133656).

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

12037381224 is a wasteful number, since it uses less digits than its factorization.

12037381224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271 (or 5267 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 12037381224 in words is "twelve billion, thirty-seven million, three hundred eighty-one thousand, two hundred twenty-four".