12421220343130 has 8 divisors (see below), whose sum is σ = 22358196617652. Its totient is φ = 4968488137248.

The previous prime is 12421220343113. The next prime is 12421220343149. The reversal of 12421220343130 is 3134302212421.

It can be written as a sum of positive squares in 2 ways, for example, as 11607560418169 + 813659924961 = 3406987^2 + 902031^2 .

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

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, 621061017147 + ... + 621061017166.

Almost surely, 2^{12421220343130} is an apocalyptic number.

12421220343130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421220343130 is a deficient number, since it is larger than the sum of its proper divisors (9936976274522).

12421220343130 is a wasteful number, since it uses less digits than its factorization.

12421220343130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242122034320.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12421220343130 its reverse (3134302212421), we get a palindrome (15555522555551).

The spelling of 12421220343130 in words is "twelve trillion, four hundred twenty-one billion, two hundred twenty million, three hundred forty-three thousand, one hundred thirty".