212504123103424 has 28 divisors (see below), whose sum is σ = 421696186321968. Its totient is φ = 106249965920000.

The previous prime is 212504123103401. The next prime is 212504123103451. The reversal of 212504123103424 is 424301321405212.

It is a self number, because there is not a number n which added to its sum of digits gives 212504123103424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29471452 + ... + 35966299.

Almost surely, 2^{212504123103424} is an apocalyptic number.

It is an amenable number.

212504123103424 is a deficient number, since it is larger than the sum of its proper divisors (209192063218544).

212504123103424 is an equidigital number, since it uses as much as digits as its factorization.

212504123103424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65488504 (or 65488494 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 212504123103424 its reverse (424301321405212), we get a palindrome (636805444508636).

The spelling of 212504123103424 in words is "two hundred twelve trillion, five hundred four billion, one hundred twenty-three million, one hundred three thousand, four hundred twenty-four".