212005606500500 has 48 divisors (see below), whose sum is σ = 463029420532224. Its totient is φ = 84800562026400.

The previous prime is 212005606500491. The next prime is 212005606500557. The reversal of 212005606500500 is 5005606500212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21207449 + ... + 29559551.

It is an arithmetic number, because the mean of its divisors is an integer number (9646446261088).

Almost surely, 2^{212005606500500} is an apocalyptic number.

212005606500500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212005606500500 is an abundant number, since it is smaller than the sum of its proper divisors (251023814031724).

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

212005606500500 is a wasteful number, since it uses less digits than its factorization.

212005606500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402889 (or 8402877 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 212005606500500 in words is "two hundred twelve trillion, five billion, six hundred six million, five hundred thousand, five hundred".