13243443212 has 6 divisors (see below), whose sum is σ = 23176025628. Its totient is φ = 6621721604.

The previous prime is 13243443167. The next prime is 13243443223. The reversal of 13243443212 is 21234434231.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655430398 + ... + 1655430405.

It is an arithmetic number, because the mean of its divisors is an integer number (3862670938).

Almost surely, 2^13243443212 is an apocalyptic number.

It is an amenable number.

13243443212 is a deficient number, since it is larger than the sum of its proper divisors (9932582416).

13243443212 is a wasteful number, since it uses less digits than its factorization.

13243443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310860807 (or 3310860805 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 13243443212 its reverse (21234434231), we get a palindrome (34477877443).

The spelling of 13243443212 in words is "thirteen billion, two hundred forty-three million, four hundred forty-three thousand, two hundred twelve".