123001213320 has 96 divisors (see below), whose sum is σ = 417134577600. Its totient is φ = 31374220416.

The previous prime is 123001213259. The next prime is 123001213327. The reversal of 123001213320 is 23312100321.

123001213320 is a `hidden beast` number, since 12 + 300 + 1 + 21 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123001213293 and 123001213302.

It is not an unprimeable number, because it can be changed into a prime (123001213327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7419330 + ... + 7435889.

It is an arithmetic number, because the mean of its divisors is an integer number (4345151850).

Almost surely, 2^123001213320 is an apocalyptic number.

123001213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123001213320 is an abundant number, since it is smaller than the sum of its proper divisors (294133364280).

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

123001213320 is a wasteful number, since it uses less digits than its factorization.

123001213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855259 (or 14855252 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123001213320 its reverse (23312100321), we get a palindrome (146313313641).

The spelling of 123001213320 in words is "one hundred twenty-three billion, one million, two hundred thirteen thousand, three hundred twenty".