13124111212 has 6 divisors (see below), whose sum is σ = 22967194628. Its totient is φ = 6562055604.

The previous prime is 13124111191. The next prime is 13124111249. The reversal of 13124111212 is 21211142131.

It is a self number, because there is not a number n which added to its sum of digits gives 13124111212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640513898 + ... + 1640513905.

Almost surely, 2^13124111212 is an apocalyptic number.

It is an amenable number.

13124111212 is a deficient number, since it is larger than the sum of its proper divisors (9843083416).

13124111212 is a wasteful number, since it uses less digits than its factorization.

13124111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281027807 (or 3281027805 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 13124111212 its reverse (21211142131), we get a palindrome (34335253343).

The spelling of 13124111212 in words is "thirteen billion, one hundred twenty-four million, one hundred eleven thousand, two hundred twelve".