212323111204 has 24 divisors (see below), whose sum is σ = 373210594848. Its totient is φ = 105691636800.

The previous prime is 212323111193. The next prime is 212323111207. The reversal of 212323111204 is 402111323212.

It is a super-2 number, since 2×212323111204² (a number of 23 digits) contains 22 as substring.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11498179 + ... + 11516629.

It is an arithmetic number, because the mean of its divisors is an integer number (15550441452).

Almost surely, 2^212323111204 is an apocalyptic number.

It is an amenable number.

212323111204 is a deficient number, since it is larger than the sum of its proper divisors (160887483644).

212323111204 is a wasteful number, since it uses less digits than its factorization.

212323111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035 (or 31033 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212323111204 its reverse (402111323212), we get a palindrome (614434434416).

The spelling of 212323111204 in words is "two hundred twelve billion, three hundred twenty-three million, one hundred eleven thousand, two hundred four".