212561074 has 8 divisors (see below), whose sum is σ = 347827248. Its totient is φ = 96618660.

The previous prime is 212561059. The next prime is 212561077. The reversal of 212561074 is 470165212.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (212561077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830912 + ... + 4830955.

It is an arithmetic number, because the mean of its divisors is an integer number (43478406).

Almost surely, 2^212561074 is an apocalyptic number.

212561074 is a deficient number, since it is larger than the sum of its proper divisors (135266174).

212561074 is a wasteful number, since it uses less digits than its factorization.

212561074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661880.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 212561074 is about 14579.4744075361. The cubic root of 212561074 is about 596.7987597366.

The spelling of 212561074 in words is "two hundred twelve million, five hundred sixty-one thousand, seventy-four".