212016793 has 4 divisors (see below), whose sum is σ = 212048640. Its totient is φ = 211984948.

The previous prime is 212016787. The next prime is 212016799. The reversal of 212016793 is 397610212.

212016793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (212016787) and next prime (212016799).

It is a cyclic number.

It is not a de Polignac number, because 212016793 - 2¹⁷ = 211885721 is a prime.

It is a super-2 number, since 2×212016793² = 89902241028009698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212016799) 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, 1705 + ... + 20662.

It is an arithmetic number, because the mean of its divisors is an integer number (53012160).

Almost surely, 2^212016793 is an apocalyptic number.

It is an amenable number.

212016793 is a deficient number, since it is larger than the sum of its proper divisors (31847).

212016793 is an equidigital number, since it uses as much as digits as its factorization.

212016793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 212016793 is about 14560.7964411292. The cubic root of 212016793 is about 596.2889394086.

The spelling of 212016793 in words is "two hundred twelve million, sixteen thousand, seven hundred ninety-three".