212312674 has 8 divisors (see below), whose sum is σ = 363964608. Its totient is φ = 90991140.

The previous prime is 212312651. The next prime is 212312687. The reversal of 212312674 is 476213212.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582582 + ... + 7582609.

It is an arithmetic number, because the mean of its divisors is an integer number (45495576).

Almost surely, 2^212312674 is an apocalyptic number.

212312674 is a deficient number, since it is larger than the sum of its proper divisors (151651934).

212312674 is a wasteful number, since it uses less digits than its factorization.

212312674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165200.

The product of its digits is 4032, while the sum is 28.

The square root of 212312674 is about 14570.9530916821. The cubic root of 212312674 is about 596.5661950542.

Adding to 212312674 its reverse (476213212), we get a palindrome (688525886).

The spelling of 212312674 in words is "two hundred twelve million, three hundred twelve thousand, six hundred seventy-four".