13043433421220 has 12 divisors (see below), whose sum is σ = 27391210184604. Its totient is φ = 5217373368480.

The previous prime is 13043433421219. The next prime is 13043433421241. The reversal of 13043433421220 is 2212433434031.

It can be written as a sum of positive squares in 2 ways, for example, as 5427511408804 + 7615922012416 = 2329702^2 + 2759696^2 .

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, 326085835511 + ... + 326085835550.

It is an arithmetic number, because the mean of its divisors is an integer number (2282600848717).

Almost surely, 2^{13043433421220} is an apocalyptic number.

13043433421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043433421220 is an abundant number, since it is smaller than the sum of its proper divisors (14347776763384).

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

13043433421220 is a wasteful number, since it uses less digits than its factorization.

13043433421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652171671070 (or 652171671068 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 13043433421220 its reverse (2212433434031), we get a palindrome (15255866855251).

The spelling of 13043433421220 in words is "thirteen trillion, forty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred twenty".