10242012521 has 8 divisors (see below), whose sum is σ = 11031418944. Its totient is φ = 9452828880.

The previous prime is 10242012499. The next prime is 10242012523. The reversal of 10242012521 is 12521024201.

10242012521 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 10242012521 - 2¹⁸ = 10241750377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10242012493 and 10242012502.

It is not an unprimeable number, because it can be changed into a prime (10242012523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46790 + ... + 150576.

It is an arithmetic number, because the mean of its divisors is an integer number (1378927368).

Almost surely, 2^10242012521 is an apocalyptic number.

It is an amenable number.

10242012521 is a deficient number, since it is larger than the sum of its proper divisors (789406423).

10242012521 is a wasteful number, since it uses less digits than its factorization.

10242012521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111391.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10242012521 its reverse (12521024201), we get a palindrome (22763036722).

The spelling of 10242012521 in words is "ten billion, two hundred forty-two million, twelve thousand, five hundred twenty-one".