13122262612 has 12 divisors (see below), whose sum is σ = 22981674100. Its totient is φ = 6556070016.

The previous prime is 13122262603. The next prime is 13122262631. The reversal of 13122262612 is 21626222131.

It can be written as a sum of positive squares in 2 ways, for example, as 10946599876 + 2175662736 = 104626^2 + 46644^2 .

It is a congruent number.

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, 1259487 + ... + 1269862.

Almost surely, 2^13122262612 is an apocalyptic number.

It is an amenable number.

13122262612 is a deficient number, since it is larger than the sum of its proper divisors (9859411488).

13122262612 is a wasteful number, since it uses less digits than its factorization.

13122262612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530650 (or 2530648 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 13122262612 its reverse (21626222131), we get a palindrome (34748484743).

The spelling of 13122262612 in words is "thirteen billion, one hundred twenty-two million, two hundred sixty-two thousand, six hundred twelve".