12212552424 has 32 divisors (see below), whose sum is σ = 31516266240. Its totient is φ = 3939532800.

The previous prime is 12212552419. The next prime is 12212552431. The reversal of 12212552424 is 42425521221.

It is a junction number, because it is equal to n+sod(n) for n = 12212552391 and 12212552400.

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 7 ways as a sum of consecutive naturals, for example, 8206617 + ... + 8208104.

It is an arithmetic number, because the mean of its divisors is an integer number (984883320).

Almost surely, 2^12212552424 is an apocalyptic number.

It is an amenable number.

12212552424 is an abundant number, since it is smaller than the sum of its proper divisors (19303713816).

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

12212552424 is a wasteful number, since it uses less digits than its factorization.

12212552424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16414761 (or 16414757 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The spelling of 12212552424 in words is "twelve billion, two hundred twelve million, five hundred fifty-two thousand, four hundred twenty-four".