12221111230230 has 96 divisors (see below), whose sum is σ = 34122897030240. Its totient is φ = 2793106229760.

The previous prime is 12221111230219. The next prime is 12221111230243. The reversal of 12221111230230 is 3203211112221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12221111230197 and 12221111230206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13862256 + ... + 14717484.

It is an arithmetic number, because the mean of its divisors is an integer number (355446844065).

Almost surely, 2^{12221111230230} is an apocalyptic number.

12221111230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221111230230 is an abundant number, since it is smaller than the sum of its proper divisors (21901785800010).

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

12221111230230 is a wasteful number, since it uses less digits than its factorization.

12221111230230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864974 (or 864967 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12221111230230 its reverse (3203211112221), we get a palindrome (15424322342451).

The spelling of 12221111230230 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, two hundred thirty thousand, two hundred thirty".