212200023 has 16 divisors (see below), whose sum is σ = 324032000. Its totient is φ = 121002336.

The previous prime is 212200019. The next prime is 212200061. The reversal of 212200023 is 320002212.

It is not a de Polignac number, because 212200023 - 2² = 212200019 is a prime.

It is a super-2 number, since 2×212200023² = 90057699522401058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212199981 and 212200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (20252000).

Almost surely, 2^212200023 is an apocalyptic number.

212200023 is a deficient number, since it is larger than the sum of its proper divisors (111831977).

212200023 is a wasteful number, since it uses less digits than its factorization.

212200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21246.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 212200023 is about 14567.0869771550. The cubic root of 212200023 is about 596.4606656848.

Adding to 212200023 its reverse (320002212), we get a palindrome (532202235).

The spelling of 212200023 in words is "two hundred twelve million, two hundred thousand, twenty-three".