10521232042 has 16 divisors (see below), whose sum is σ = 16320241152. Its totient is φ = 5081762160.

The previous prime is 10521232039. The next prime is 10521232061. The reversal of 10521232042 is 24023212501.

It is a happy number.

It is a super-2 number, since 2×10521232042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117798 + ... + 186865.

It is an arithmetic number, because the mean of its divisors is an integer number (1020015072).

Almost surely, 2^10521232042 is an apocalyptic number.

10521232042 is a deficient number, since it is larger than the sum of its proper divisors (5799009110).

10521232042 is a wasteful number, since it uses less digits than its factorization.

10521232042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305253.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10521232042 its reverse (24023212501), we get a palindrome (34544444543).

The spelling of 10521232042 in words is "ten billion, five hundred twenty-one million, two hundred thirty-two thousand, forty-two".