212005192 has 48 divisors (see below), whose sum is σ = 479511360. Its totient is φ = 86069088.

The previous prime is 212005177. The next prime is 212005193. The reversal of 212005192 is 291500212.

It is not an unprimeable number, because it can be changed into a prime (212005193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14973 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (9989820).

Almost surely, 2^212005192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212005192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239755680).

212005192 is an abundant number, since it is smaller than the sum of its proper divisors (267506168).

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

212005192 is a wasteful number, since it uses less digits than its factorization.

212005192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538 (or 10515 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 212005192 is about 14560.3980714814. The cubic root of 212005192 is about 596.2780634240.

The spelling of 212005192 in words is "two hundred twelve million, five thousand, one hundred ninety-two".