212440245514 has 16 divisors (see below), whose sum is σ = 369312621696. Its totient is φ = 89763483600.

The previous prime is 212440245497. The next prime is 212440245533. The reversal of 212440245514 is 415542044212.

212440245514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212440245514.

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, 106860297 + ... + 106862284.

It is an arithmetic number, because the mean of its divisors is an integer number (23082038856).

Almost surely, 2^212440245514 is an apocalyptic number.

212440245514 is a deficient number, since it is larger than the sum of its proper divisors (156872376182).

212440245514 is a wasteful number, since it uses less digits than its factorization.

212440245514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213722661.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 212440245514 its reverse (415542044212), we get a palindrome (627982289726).

The spelling of 212440245514 in words is "two hundred twelve billion, four hundred forty million, two hundred forty-five thousand, five hundred fourteen".