212315254 has 8 divisors (see below), whose sum is σ = 332319600. Its totient is φ = 101542056.

The previous prime is 212315251. The next prime is 212315269. The reversal of 212315254 is 452513212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212315251) 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, 2307729 + ... + 2307820.

It is an arithmetic number, because the mean of its divisors is an integer number (41539950).

Almost surely, 2^212315254 is an apocalyptic number.

212315254 is a deficient number, since it is larger than the sum of its proper divisors (120004346).

212315254 is a wasteful number, since it uses less digits than its factorization.

212315254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615574.

The product of its digits is 2400, while the sum is 25.

The square root of 212315254 is about 14571.0416237138. The cubic root of 212315254 is about 596.5686115131.

Adding to 212315254 its reverse (452513212), we get a palindrome (664828466).

The spelling of 212315254 in words is "two hundred twelve million, three hundred fifteen thousand, two hundred fifty-four".