13212566434 has 8 divisors (see below), whose sum is σ = 19860226560. Its totient is φ = 6592490916.

The previous prime is 13212566363. The next prime is 13212566443. The reversal of 13212566434 is 43466521231.

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 = 13212566393 and 13212566402.

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, 6894954 + ... + 6896869.

It is an arithmetic number, because the mean of its divisors is an integer number (2482528320).

Almost surely, 2^13212566434 is an apocalyptic number.

13212566434 is a deficient number, since it is larger than the sum of its proper divisors (6647660126).

13212566434 is a wasteful number, since it uses less digits than its factorization.

13212566434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792304.

The product of its digits is 103680, while the sum is 37.

The spelling of 13212566434 in words is "thirteen billion, two hundred twelve million, five hundred sixty-six thousand, four hundred thirty-four".