212405074 has 32 divisors (see below), whose sum is σ = 373196160. Its totient is φ = 88787328.

The previous prime is 212405033. The next prime is 212405093. The reversal of 212405074 is 470504212.

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, 112224 + ... + 114100.

It is an arithmetic number, because the mean of its divisors is an integer number (11662380).

Almost surely, 2^212405074 is an apocalyptic number.

212405074 is a deficient number, since it is larger than the sum of its proper divisors (160791086).

212405074 is a wasteful number, since it uses less digits than its factorization.

212405074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 212405074 is about 14574.1234384782. The cubic root of 212405074 is about 596.6527257995.

Adding to 212405074 its reverse (470504212), we get a palindrome (682909286).

The spelling of 212405074 in words is "two hundred twelve million, four hundred five thousand, seventy-four".