1300013123452 has 12 divisors (see below), whose sum is σ = 2275041655600. Its totient is φ = 650001221856.

The previous prime is 1300013123443. The next prime is 1300013123459. The reversal of 1300013123452 is 2543213100031.

It is a happy number.

It is a super-2 number, since 2×1300013123452² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300013123459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759648 + ... + 1782439.

Almost surely, 2^{1300013123452} is an apocalyptic number.

It is an amenable number.

1300013123452 is a deficient number, since it is larger than the sum of its proper divisors (975028532148).

1300013123452 is a wasteful number, since it uses less digits than its factorization.

1300013123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669940 (or 2669938 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1300013123452 its reverse (2543213100031), we get a palindrome (3843226223483).

The spelling of 1300013123452 in words is "one trillion, three hundred billion, thirteen million, one hundred twenty-three thousand, four hundred fifty-two".