212151412450 has 96 divisors (see below), whose sum is σ = 431644515840. Its totient is φ = 77229081600.

The previous prime is 212151412387. The next prime is 212151412457. The reversal of 212151412450 is 54214151212.

212151412450 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212151412457) 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 47 ways as a sum of consecutive naturals, for example, 42658164 + ... + 42663136.

It is an arithmetic number, because the mean of its divisors is an integer number (4496297040).

Almost surely, 2^212151412450 is an apocalyptic number.

212151412450 is an abundant number, since it is smaller than the sum of its proper divisors (219493103390).

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

212151412450 is a wasteful number, since it uses less digits than its factorization.

212151412450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652 (or 6647 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 212151412450 its reverse (54214151212), we get a palindrome (266365563662).

The spelling of 212151412450 in words is "two hundred twelve billion, one hundred fifty-one million, four hundred twelve thousand, four hundred fifty".