13123034212 has 6 divisors (see below), whose sum is σ = 22965309878. Its totient is φ = 6561517104.

The previous prime is 13123034189. The next prime is 13123034273. The reversal of 13123034212 is 21243032131.

It can be written as a sum of positive squares in only one way, i.e., 12229263396 + 893770816 = 110586^2 + 29896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640379273 + ... + 1640379280.

Almost surely, 2^13123034212 is an apocalyptic number.

It is an amenable number.

13123034212 is a deficient number, since it is larger than the sum of its proper divisors (9842275666).

13123034212 is a wasteful number, since it uses less digits than its factorization.

13123034212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280758557 (or 3280758555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13123034212 its reverse (21243032131), we get a palindrome (34366066343).

The spelling of 13123034212 in words is "thirteen billion, one hundred twenty-three million, thirty-four thousand, two hundred twelve".