1171218352230 has 384 divisors, whose sum is σ = 3569441541120. Its totient is φ = 274546298880.

The previous prime is 1171218352201. The next prime is 1171218352309. The reversal of 1171218352230 is 322538121711.

1171218352230 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 21 + 83 + 522 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 55716682 + ... + 55737698.

It is an arithmetic number, because the mean of its divisors is an integer number (9295420680).

Almost surely, 2^{1171218352230} is an apocalyptic number.

1171218352230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171218352230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784720770560).

1171218352230 is an abundant number, since it is smaller than the sum of its proper divisors (2398223188890).

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

1171218352230 is a wasteful number, since it uses less digits than its factorization.

1171218352230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21146 (or 21134 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 1171218352230 in words is "one trillion, one hundred seventy-one billion, two hundred eighteen million, three hundred fifty-two thousand, two hundred thirty".