212150793 has 4 divisors (see below), whose sum is σ = 282867728. Its totient is φ = 141433860.

The previous prime is 212150773. The next prime is 212150839. The reversal of 212150793 is 397051212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212150793 - 2¹⁴ = 212134409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212150793.

It is not an unprimeable number, because it can be changed into a prime (212150753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35358463 + ... + 35358468.

It is an arithmetic number, because the mean of its divisors is an integer number (70716932).

Almost surely, 2^212150793 is an apocalyptic number.

It is an amenable number.

212150793 is a deficient number, since it is larger than the sum of its proper divisors (70716935).

212150793 is an equidigital number, since it uses as much as digits as its factorization.

212150793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70716934.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 212150793 is about 14565.3971109613. The cubic root of 212150793 is about 596.4145362055.

The spelling of 212150793 in words is "two hundred twelve million, one hundred fifty thousand, seven hundred ninety-three".