12030221213232 has 80 divisors (see below), whose sum is σ = 31548361525632. Its totient is φ = 3949415585280.

The previous prime is 12030221213173. The next prime is 12030221213237. The reversal of 12030221213232 is 23231212203021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12030221213237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15478788 + ... + 16237404.

Almost surely, 2^{12030221213232} is an apocalyptic number.

12030221213232 is a gapful number since it is divisible by the number (12) 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 12030221213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15774180762816).

12030221213232 is an abundant number, since it is smaller than the sum of its proper divisors (19518140312400).

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

12030221213232 is a wasteful number, since it uses less digits than its factorization.

12030221213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763626 (or 763620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12030221213232 its reverse (23231212203021), we get a palindrome (35261433416253).

The spelling of 12030221213232 in words is "twelve trillion, thirty billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred thirty-two".