212030313203 has 4 divisors (see below), whose sum is σ = 212032312800. Its totient is φ = 212028313608.

The previous prime is 212030313197. The next prime is 212030313241. The reversal of 212030313203 is 302313030212.

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 212030313203 - 2³⁶ = 143310836467 is a prime.

It is a super-2 number, since 2×212030313203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030313283) 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, 831275 + ... + 1055972.

It is an arithmetic number, because the mean of its divisors is an integer number (53008078200).

Almost surely, 2^212030313203 is an apocalyptic number.

212030313203 is a deficient number, since it is larger than the sum of its proper divisors (1999597).

212030313203 is a wasteful number, since it uses less digits than its factorization.

212030313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999596.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212030313203 its reverse (302313030212), we get a palindrome (514343343415).

The spelling of 212030313203 in words is "two hundred twelve billion, thirty million, three hundred thirteen thousand, two hundred three".