13212420334 has 8 divisors (see below), whose sum is σ = 20680310160. Its totient is φ = 6318983616.

The previous prime is 13212420269. The next prime is 13212420341. The reversal of 13212420334 is 43302421231.

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 = 13212420299 and 13212420308.

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, 143613219 + ... + 143613310.

It is an arithmetic number, because the mean of its divisors is an integer number (2585038770).

Almost surely, 2^13212420334 is an apocalyptic number.

13212420334 is a deficient number, since it is larger than the sum of its proper divisors (7467889826).

13212420334 is a wasteful number, since it uses less digits than its factorization.

13212420334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287226554.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13212420334 its reverse (43302421231), we get a palindrome (56514841565).

The spelling of 13212420334 in words is "thirteen billion, two hundred twelve million, four hundred twenty thousand, three hundred thirty-four".