12222121324430 has 8 divisors (see below), whose sum is σ = 21999818383992. Its totient is φ = 4888848529768.

The previous prime is 12222121324423. The next prime is 12222121324471. The reversal of 12222121324430 is 3442312122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12222121324393 and 12222121324402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611106066212 + ... + 611106066231.

It is an arithmetic number, because the mean of its divisors is an integer number (2749977297999).

Almost surely, 2^{12222121324430} is an apocalyptic number.

12222121324430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222121324430 is a deficient number, since it is larger than the sum of its proper divisors (9777697059562).

12222121324430 is a wasteful number, since it uses less digits than its factorization.

12222121324430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222212132450.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12222121324430 its reverse (3442312122221), we get a palindrome (15664433446651).

The spelling of 12222121324430 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred thirty".