13122013012 has 6 divisors (see below), whose sum is σ = 22963522778. Its totient is φ = 6561006504.

The previous prime is 13122013007. The next prime is 13122013027. The reversal of 13122013012 is 21031022131.

It can be written as a sum of positive squares in only one way, i.e., 13042553616 + 79459396 = 114204^2 + 8914^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640251623 + ... + 1640251630.

Almost surely, 2^13122013012 is an apocalyptic number.

It is an amenable number.

13122013012 is a deficient number, since it is larger than the sum of its proper divisors (9841509766).

13122013012 is a wasteful number, since it uses less digits than its factorization.

13122013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280503257 (or 3280503255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13122013012 its reverse (21031022131), we get a palindrome (34153035143).

The spelling of 13122013012 in words is "thirteen billion, one hundred twenty-two million, thirteen thousand, twelve".