210312020223 has 12 divisors (see below), whose sum is σ = 307197334080. Its totient is φ = 138632642016.

The previous prime is 210312020221. The next prime is 210312020327. The reversal of 210312020223 is 322020213012.

210312020223 is a `hidden beast` number, since 210 + 31 + 202 + 0 + 223 = 666.

It is not a de Polignac number, because 210312020223 - 2¹ = 210312020221 is a prime.

It is a super-2 number, since 2×210312020223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210312020196 and 210312020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210312020221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131280111 + ... + 131281712.

It is an arithmetic number, because the mean of its divisors is an integer number (25599777840).

Almost surely, 2^210312020223 is an apocalyptic number.

210312020223 is a deficient number, since it is larger than the sum of its proper divisors (96885313857).

210312020223 is a wasteful number, since it uses less digits than its factorization.

210312020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262561918 (or 262561915 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210312020223 its reverse (322020213012), we get a palindrome (532332233235).

The spelling of 210312020223 in words is "two hundred ten billion, three hundred twelve million, twenty thousand, two hundred twenty-three".