212941005 has 16 divisors (see below), whose sum is σ = 340956864. Its totient is φ = 113484800.

The previous prime is 212940991. The next prime is 212941007. The reversal of 212941005 is 500149212.

212941005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212941005 - 2⁹ = 212940493 is a prime.

It is a super-2 number, since 2×212941005² = 90687743220820050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212941007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19582 + ... + 28448.

It is an arithmetic number, because the mean of its divisors is an integer number (21309804).

Almost surely, 2^212941005 is an apocalyptic number.

It is an amenable number.

212941005 is a deficient number, since it is larger than the sum of its proper divisors (128015859).

212941005 is a wasteful number, since it uses less digits than its factorization.

212941005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 212941005 is about 14592.4982439608. The cubic root of 212941005 is about 597.1541201772.

It can be divided in two parts, 2129 and 41005, that added together give a palindrome (43134).

The spelling of 212941005 in words is "two hundred twelve million, nine hundred forty-one thousand, five".