212064311500 has 24 divisors (see below), whose sum is σ = 463148457408. Its totient is φ = 84825724400.

The previous prime is 212064311479. The next prime is 212064311509. The reversal of 212064311500 is 5113460212.

It is a happy number.

212064311500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (212064311509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212063812 + ... + 212064811.

It is an arithmetic number, because the mean of its divisors is an integer number (19297852392).

Almost surely, 2^212064311500 is an apocalyptic number.

212064311500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212064311500 is an abundant number, since it is smaller than the sum of its proper divisors (251084145908).

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

212064311500 is a wasteful number, since it uses less digits than its factorization.

212064311500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424128642 (or 424128630 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 212064311500 its reverse (5113460212), we get a palindrome (217177771712).

The spelling of 212064311500 in words is "two hundred twelve billion, sixty-four million, three hundred eleven thousand, five hundred".