12021430122330 has 32 divisors (see below), whose sum is σ = 28851810249600. Its totient is φ = 3205672704192.

The previous prime is 12021430122323. The next prime is 12021430122397. The reversal of 12021430122330 is 3322103412021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021430122330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261585 + ... + 4910324.

It is an arithmetic number, because the mean of its divisors is an integer number (901619070300).

Almost surely, 2^{12021430122330} is an apocalyptic number.

12021430122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021430122330 is an abundant number, since it is smaller than the sum of its proper divisors (16830380127270).

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

12021430122330 is a wasteful number, since it uses less digits than its factorization.

12021430122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249398.

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

Adding to 12021430122330 its reverse (3322103412021), we get a palindrome (15343533534351).

The spelling of 12021430122330 in words is "twelve trillion, twenty-one billion, four hundred thirty million, one hundred twenty-two thousand, three hundred thirty".