12018222451080 has 192 divisors, whose sum is σ = 40508789106240. Its totient is φ = 3204627639552.

The previous prime is 12018222450959. The next prime is 12018222451087. The reversal of 12018222451080 is 8015422281021.

It is a happy number.

12018222451080 is a `hidden beast` number, since 1 + 2 + 0 + 182 + 22 + 451 + 0 + 8 + 0 = 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 (12018222451087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166243902 + ... + 166316178.

It is an arithmetic number, because the mean of its divisors is an integer number (210983276595).

Almost surely, 2^{12018222451080} is an apocalyptic number.

12018222451080 is a gapful number since it is divisible by the number (10) 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 12018222451080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20254394553120).

12018222451080 is an abundant number, since it is smaller than the sum of its proper divisors (28490566655160).

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

12018222451080 is a wasteful number, since it uses less digits than its factorization.

12018222451080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89410 (or 89394 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 12018222451080 in words is "twelve trillion, eighteen billion, two hundred twenty-two million, four hundred fifty-one thousand, eighty".