212966493 has 8 divisors (see below), whose sum is σ = 285012000. Its totient is φ = 141449328.

The previous prime is 212966483. The next prime is 212966513. The reversal of 212966493 is 394669212.

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

It is not a de Polignac number, because 212966493 - 2⁵ = 212966461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212966443) 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, 131143 + ... + 132756.

It is an arithmetic number, because the mean of its divisors is an integer number (35626500).

Almost surely, 2^212966493 is an apocalyptic number.

It is an amenable number.

212966493 is a deficient number, since it is larger than the sum of its proper divisors (72045507).

212966493 is a wasteful number, since it uses less digits than its factorization.

212966493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264171.

The product of its digits is 139968, while the sum is 42.

The square root of 212966493 is about 14593.3715432727. The cubic root of 212966493 is about 597.1779447054.

The spelling of 212966493 in words is "two hundred twelve million, nine hundred sixty-six thousand, four hundred ninety-three".