2521522130123 has 8 divisors (see below), whose sum is σ = 2537709038400. Its totient is φ = 2505343971528.

The previous prime is 2521522130107. The next prime is 2521522130161. The reversal of 2521522130123 is 3210312251252.

It is a happy number.

2521522130123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521522130123 - 2⁴ = 2521522130107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521522120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608713 + ... + 2762426.

It is an arithmetic number, because the mean of its divisors is an integer number (317213629800).

Almost surely, 2^{2521522130123} is an apocalyptic number.

2521522130123 is a deficient number, since it is larger than the sum of its proper divisors (16186908277).

2521522130123 is a wasteful number, since it uses less digits than its factorization.

2521522130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374841.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2521522130123 its reverse (3210312251252), we get a palindrome (5731834381375).

The spelling of 2521522130123 in words is "two trillion, five hundred twenty-one billion, five hundred twenty-two million, one hundred thirty thousand, one hundred twenty-three".