105212452424 has 32 divisors (see below), whose sum is σ = 207673048800. Its totient is φ = 49833423360.

The previous prime is 105212452421. The next prime is 105212452427. The reversal of 105212452424 is 424254212501.

It is an interprime number because it is at equal distance from previous prime (105212452421) and next prime (105212452427).

It is a super-2 number, since 2×105212452424² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105212452421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2736824 + ... + 2775000.

It is an arithmetic number, because the mean of its divisors is an integer number (6489782775).

Almost surely, 2^105212452424 is an apocalyptic number.

It is an amenable number.

105212452424 is a deficient number, since it is larger than the sum of its proper divisors (102460596376).

105212452424 is a wasteful number, since it uses less digits than its factorization.

105212452424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56333 (or 56329 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 105212452424 its reverse (424254212501), we get a palindrome (529466664925).

The spelling of 105212452424 in words is "one hundred five billion, two hundred twelve million, four hundred fifty-two thousand, four hundred twenty-four".