123122033220 has 48 divisors (see below), whose sum is σ = 353150034048. Its totient is φ = 32031747840.

The previous prime is 123122033213. The next prime is 123122033291. The reversal of 123122033220 is 22330221321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25022344 + ... + 25027263.

It is an arithmetic number, because the mean of its divisors is an integer number (7357292376).

Almost surely, 2^123122033220 is an apocalyptic number.

123122033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123122033220 is an abundant number, since it is smaller than the sum of its proper divisors (230028000828).

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

123122033220 is a wasteful number, since it uses less digits than its factorization.

123122033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50049660 (or 50049658 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123122033220 its reverse (22330221321), we get a palindrome (145452254541).

The spelling of 123122033220 in words is "one hundred twenty-three billion, one hundred twenty-two million, thirty-three thousand, two hundred twenty".