212955 has 8 divisors (see below), whose sum is σ = 340752. Its totient is φ = 113568.

The previous prime is 212923. The next prime is 212969. The reversal of 212955 is 559212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212955 - 2⁵ = 212923 is a prime.

212955 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (42594).

2²¹²⁹⁵⁵ is an apocalyptic number.

212955 is a deficient number, since it is larger than the sum of its proper divisors (127797).

212955 is a wasteful number, since it uses less digits than its factorization.

212955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14205.

The product of its digits is 900, while the sum is 24.

The square root of 212955 is about 461.4704757620. The cubic root of 212955 is about 59.7167202030.

The spelling of 212955 in words is "two hundred twelve thousand, nine hundred fifty-five".