13120097452 has 48 divisors (see below), whose sum is σ = 28702662912. Its totient is φ = 5097977280.

The previous prime is 13120097449. The next prime is 13120097453. The reversal of 13120097452 is 25479002131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13120097453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57783 + ... + 171985.

It is an arithmetic number, because the mean of its divisors is an integer number (597972144).

Almost surely, 2^13120097452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13120097452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14351331456).

13120097452 is an abundant number, since it is smaller than the sum of its proper divisors (15582565460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120097452 is a wasteful number, since it uses less digits than its factorization.

13120097452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114598 (or 114596 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 13120097452 its reverse (25479002131), we get a palindrome (38599099583).

The spelling of 13120097452 in words is "thirteen billion, one hundred twenty million, ninety-seven thousand, four hundred fifty-two".