212518042174 has 8 divisors (see below), whose sum is σ = 318784486248. Its totient is φ = 106256546760.

The previous prime is 212518042157. The next prime is 212518042199. The reversal of 212518042174 is 471240815212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127872 + ... + 1302739.

It is an arithmetic number, because the mean of its divisors is an integer number (39848060781).

Almost surely, 2^212518042174 is an apocalyptic number.

212518042174 is a deficient number, since it is larger than the sum of its proper divisors (106266444074).

212518042174 is a wasteful number, since it uses less digits than its factorization.

212518042174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474330.

The product of its (nonzero) digits is 35840, while the sum is 37.

Adding to 212518042174 its reverse (471240815212), we get a palindrome (683758857386).

The spelling of 212518042174 in words is "two hundred twelve billion, five hundred eighteen million, forty-two thousand, one hundred seventy-four".