212501024442 has 24 divisors (see below), whose sum is σ = 526193013216. Its totient is φ = 60714578376.

The previous prime is 212501024413. The next prime is 212501024453. The reversal of 212501024442 is 244420105212.

It is a happy number.

212501024442 is a `hidden beast` number, since 212 + 5 + 0 + 1 + 0 + 2 + 4 + 442 = 666.

212501024442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212501024442² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 843257908 + ... + 843258159.

It is an arithmetic number, because the mean of its divisors is an integer number (21924708884).

Almost surely, 2^212501024442 is an apocalyptic number.

212501024442 is an abundant number, since it is smaller than the sum of its proper divisors (313691988774).

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

212501024442 is a wasteful number, since it uses less digits than its factorization.

212501024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686516082 (or 1686516079 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 212501024442 its reverse (244420105212), we get a palindrome (456921129654).

The spelling of 212501024442 in words is "two hundred twelve billion, five hundred one million, twenty-four thousand, four hundred forty-two".