212452919 has 8 divisors (see below), whose sum is σ = 242895648. Its totient is φ = 182033280.

The previous prime is 212452901. The next prime is 212452943. The reversal of 212452919 is 919254212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212452919 is a prime.

It is a super-2 number, since 2×212452919² = 90272485583241122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212452949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24659 + ... + 32139.

It is an arithmetic number, because the mean of its divisors is an integer number (30361956).

Almost surely, 2^212452919 is an apocalyptic number.

212452919 is a deficient number, since it is larger than the sum of its proper divisors (30442729).

212452919 is an equidigital number, since it uses as much as digits as its factorization.

212452919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545.

The product of its digits is 12960, while the sum is 35.

The square root of 212452919 is about 14575.7647826795. The cubic root of 212452919 is about 596.6975218206.

The spelling of 212452919 in words is "two hundred twelve million, four hundred fifty-two thousand, nine hundred nineteen".