13212145422243 has 96 divisors (see below), whose sum is σ = 20277024768000. Its totient is φ = 8279875468800.

The previous prime is 13212145422209. The next prime is 13212145422251. The reversal of 13212145422243 is 34222454121231.

13212145422243 is a `hidden beast` number, since 1 + 3 + 212 + 14 + 5 + 422 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 13212145422243 - 2¹⁴ = 13212145405859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13212145422198 and 13212145422207.

It is not an unprimeable number, because it can be changed into a prime (13212145422293) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 478150038 + ... + 478177668.

It is an arithmetic number, because the mean of its divisors is an integer number (211219008000).

Almost surely, 2^{13212145422243} is an apocalyptic number.

13212145422243 is a deficient number, since it is larger than the sum of its proper divisors (7064879345757).

13212145422243 is a wasteful number, since it uses less digits than its factorization.

13212145422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28153 (or 28150 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 13212145422243 its reverse (34222454121231), we get a palindrome (47434599543474).

The spelling of 13212145422243 in words is "thirteen trillion, two hundred twelve billion, one hundred forty-five million, four hundred twenty-two thousand, two hundred forty-three".