212323111203 has 32 divisors (see below), whose sum is σ = 325538583552. Its totient is φ = 120578889600.

The previous prime is 212323111193. The next prime is 212323111207. The reversal of 212323111203 is 302111323212.

212323111203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212323111203 - 2¹⁸ = 212322849059 is a prime.

It is a super-2 number, since 2×212323111203² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212323111203.

It is not an unprimeable number, because it can be changed into a prime (212323111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6113698 + ... + 6148328.

It is an arithmetic number, because the mean of its divisors is an integer number (10173080736).

Almost surely, 2^212323111203 is an apocalyptic number.

212323111203 is a deficient number, since it is larger than the sum of its proper divisors (113215472349).

212323111203 is a wasteful number, since it uses less digits than its factorization.

212323111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36435.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212323111203 its reverse (302111323212), we get a palindrome (514434434415).

The spelling of 212323111203 in words is "two hundred twelve billion, three hundred twenty-three million, one hundred eleven thousand, two hundred three".