123320001210 has 32 divisors (see below), whose sum is σ = 338249146752. Its totient is φ = 28187428800.

The previous prime is 123320001197. The next prime is 123320001227. The reversal of 123320001210 is 12100023321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123320001210.

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, 293618841 + ... + 293619260.

It is an arithmetic number, because the mean of its divisors is an integer number (10570285836).

Almost surely, 2^123320001210 is an apocalyptic number.

123320001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123320001210 is an abundant number, since it is smaller than the sum of its proper divisors (214929145542).

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

123320001210 is a wasteful number, since it uses less digits than its factorization.

123320001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587238118.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123320001210 its reverse (12100023321), we get a palindrome (135420024531).

The spelling of 123320001210 in words is "one hundred twenty-three billion, three hundred twenty million, one thousand, two hundred ten".