123222013320 has 128 divisors (see below), whose sum is σ = 440844042240. Its totient is φ = 26940460800.

The previous prime is 123222013199. The next prime is 123222013339. The reversal of 123222013320 is 23310222321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3169656 + ... + 3208295.

It is an arithmetic number, because the mean of its divisors is an integer number (3444094080).

Almost surely, 2^123222013320 is an apocalyptic number.

123222013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123222013320 is an abundant number, since it is smaller than the sum of its proper divisors (317622028920).

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

123222013320 is a wasteful number, since it uses less digits than its factorization.

123222013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377995 (or 6377991 counting only the distinct ones).

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

Adding to 123222013320 its reverse (23310222321), we get a palindrome (146532235641).

The spelling of 123222013320 in words is "one hundred twenty-three billion, two hundred twenty-two million, thirteen thousand, three hundred twenty".