1232530521242 has 16 divisors (see below), whose sum is σ = 1891822977792. Its totient is φ = 601923346080.

The previous prime is 1232530521197. The next prime is 1232530521269. The reversal of 1232530521242 is 2421250352321.

It is a junction number, because it is equal to n+sod(n) for n = 1232530521199 and 1232530521208.

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, 8822318 + ... + 8960934.

It is an arithmetic number, because the mean of its divisors is an integer number (118238936112).

Almost surely, 2^{1232530521242} is an apocalyptic number.

1232530521242 is a deficient number, since it is larger than the sum of its proper divisors (659292456550).

1232530521242 is a wasteful number, since it uses less digits than its factorization.

1232530521242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242053.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1232530521242 its reverse (2421250352321), we get a palindrome (3653780873563).

The spelling of 1232530521242 in words is "one trillion, two hundred thirty-two billion, five hundred thirty million, five hundred twenty-one thousand, two hundred forty-two".