12221002021230 has 256 divisors, whose sum is σ = 33980025139200. Its totient is φ = 3122851968000.

The previous prime is 12221002021213. The next prime is 12221002021253. The reversal of 12221002021230 is 3212020012221.

12221002021230 is a `hidden beast` number, since 1 + 22 + 210 + 0 + 202 + 1 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 485506545 + ... + 485531715.

It is an arithmetic number, because the mean of its divisors is an integer number (132734473200).

Almost surely, 2^{12221002021230} is an apocalyptic number.

12221002021230 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 12221002021230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16990012569600).

12221002021230 is an abundant number, since it is smaller than the sum of its proper divisors (21759023117970).

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

12221002021230 is a wasteful number, since it uses less digits than its factorization.

12221002021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008 (or 26002 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12221002021230 its reverse (3212020012221), we get a palindrome (15433022033451).

The spelling of 12221002021230 in words is "twelve trillion, two hundred twenty-one billion, two million, twenty-one thousand, two hundred thirty".