212030051 has 4 divisors (see below), whose sum is σ = 216030672. Its totient is φ = 208029432.

The previous prime is 212030041. The next prime is 212030053. The reversal of 212030051 is 150030212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212030051 - 2¹⁴ = 212013667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000231 + ... + 2000336.

It is an arithmetic number, because the mean of its divisors is an integer number (54007668).

Almost surely, 2^212030051 is an apocalyptic number.

212030051 is a deficient number, since it is larger than the sum of its proper divisors (4000621).

212030051 is an equidigital number, since it uses as much as digits as its factorization.

212030051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000620.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 212030051 is about 14561.2516975705. The cubic root of 212030051 is about 596.3013683518.

Adding to 212030051 its reverse (150030212), we get a palindrome (362060263).

The spelling of 212030051 in words is "two hundred twelve million, thirty thousand, fifty-one".