12011321222230 has 64 divisors (see below), whose sum is σ = 26287653841920. Its totient is φ = 3894467212800.

The previous prime is 12011321222227. The next prime is 12011321222231. The reversal of 12011321222230 is 3222212311021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011321222231) 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, 168995166 + ... + 169066225.

It is an arithmetic number, because the mean of its divisors is an integer number (410744591280).

Almost surely, 2^{12011321222230} is an apocalyptic number.

12011321222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011321222230 is an abundant number, since it is smaller than the sum of its proper divisors (14276332619690).

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

12011321222230 is a wasteful number, since it uses less digits than its factorization.

12011321222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338061445.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12011321222230 its reverse (3222212311021), we get a palindrome (15233533533251).

The spelling of 12011321222230 in words is "twelve trillion, eleven billion, three hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty".