123212220212230 has 64 divisors (see below), whose sum is σ = 224013738060288. Its totient is φ = 48790900238080.

The previous prime is 123212220212167. The next prime is 123212220212287. The reversal of 123212220212230 is 32212022212321.

It is a junction number, because it is equal to n+sod(n) for n = 123212220212195 and 123212220212204.

It is a congruent number.

It is an unprimeable number.

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, 921676674 + ... + 921810346.

It is an arithmetic number, because the mean of its divisors is an integer number (3500214657192).

Almost surely, 2^{123212220212230} is an apocalyptic number.

123212220212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123212220212230 is a deficient number, since it is larger than the sum of its proper divisors (100801517848058).

123212220212230 is a wasteful number, since it uses less digits than its factorization.

123212220212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135501.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 123212220212230 its reverse (32212022212321), we get a palindrome (155424242424551).

The spelling of 123212220212230 in words is "one hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred thirty".