123452504512 has 28 divisors (see below), whose sum is σ = 251597043160. Its totient is φ = 60057974016.

The previous prime is 123452504509. The next prime is 123452504521. The reversal of 123452504512 is 215405254321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26064462 + ... + 26069197.

Almost surely, 2^123452504512 is an apocalyptic number.

It is an amenable number.

123452504512 is an abundant number, since it is smaller than the sum of its proper divisors (128144538648).

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

123452504512 is an equidigital number, since it uses as much as digits as its factorization.

123452504512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52133708 (or 52133698 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 123452504512 its reverse (215405254321), we get a palindrome (338857758833).

The spelling of 123452504512 in words is "one hundred twenty-three billion, four hundred fifty-two million, five hundred four thousand, five hundred twelve".