123332220212 has 96 divisors (see below), whose sum is σ = 234720267264. Its totient is φ = 56553235200.

The previous prime is 123332220197. The next prime is 123332220217. The reversal of 123332220212 is 212022233321.

It is a super-2 number, since 2×123332220212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123332220217) 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, 66058103 + ... + 66059969.

It is an arithmetic number, because the mean of its divisors is an integer number (2445002784).

Almost surely, 2^123332220212 is an apocalyptic number.

It is an amenable number.

123332220212 is a deficient number, since it is larger than the sum of its proper divisors (111388047052).

123332220212 is a wasteful number, since it uses less digits than its factorization.

123332220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123332220212 its reverse (212022233321), we get a palindrome (335354453533).

The spelling of 123332220212 in words is "one hundred twenty-three billion, three hundred thirty-two million, two hundred twenty thousand, two hundred twelve".