123030230211220 has 48 divisors (see below), whose sum is σ = 269083551961728. Its totient is φ = 47207640654720.

The previous prime is 123030230211199. The next prime is 123030230211223. The reversal of 123030230211220 is 22112032030321.

It is a junction number, because it is equal to n+sod(n) for n = 123030230211191 and 123030230211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030230211223) 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, 1170771882 + ... + 1170876961.

It is an arithmetic number, because the mean of its divisors is an integer number (5605907332536).

Almost surely, 2^{123030230211220} is an apocalyptic number.

123030230211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030230211220 is an abundant number, since it is smaller than the sum of its proper divisors (146053321750508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123030230211220 is a wasteful number, since it uses less digits than its factorization.

123030230211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341648960 (or 2341648958 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123030230211220 its reverse (22112032030321), we get a palindrome (145142262241541).

The spelling of 123030230211220 in words is "one hundred twenty-three trillion, thirty billion, two hundred thirty million, two hundred eleven thousand, two hundred twenty".