123232201220 has 48 divisors (see below), whose sum is σ = 263876610816. Its totient is φ = 48328752000.

The previous prime is 123232201219. The next prime is 123232201229. The reversal of 123232201220 is 22102232321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 123232201192 and 123232201201.

It is not an unprimeable number, because it can be changed into a prime (123232201229) 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, 217025 + ... + 541815.

It is an arithmetic number, because the mean of its divisors is an integer number (5497429392).

Almost surely, 2^123232201220 is an apocalyptic number.

123232201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232201220 is an abundant number, since it is smaller than the sum of its proper divisors (140644409596).

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

123232201220 is a wasteful number, since it uses less digits than its factorization.

123232201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325172 (or 325170 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123232201220 its reverse (22102232321), we get a palindrome (145334433541).

The spelling of 123232201220 in words is "one hundred twenty-three billion, two hundred thirty-two million, two hundred one thousand, two hundred twenty".