13032123222121 has 8 divisors (see below), whose sum is σ = 13048349360904. Its totient is φ = 13015897943040.

The previous prime is 13032123222119. The next prime is 13032123222133. The reversal of 13032123222121 is 12122232123031.

It can be written as a sum of positive squares in 4 ways, for example, as 7717622919721 + 5314500302400 = 2778061^2 + 2305320^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13032123222121 - 2¹ = 13032123222119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13032123222191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33382371 + ... + 33770503.

It is an arithmetic number, because the mean of its divisors is an integer number (1631043670113).

Almost surely, 2^{13032123222121} is an apocalyptic number.

It is an amenable number.

13032123222121 is a deficient number, since it is larger than the sum of its proper divisors (16226138783).

13032123222121 is an equidigital number, since it uses as much as digits as its factorization.

13032123222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429851.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13032123222121 its reverse (12122232123031), we get a palindrome (25154355345152).

The spelling of 13032123222121 in words is "thirteen trillion, thirty-two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-one".