123211223000 has 64 divisors (see below), whose sum is σ = 305273966400. Its totient is φ = 46385395200.

The previous prime is 123211222991. The next prime is 123211223039. The reversal of 123211223000 is 322112321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 123211223000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3606860 + ... + 3640859.

It is an arithmetic number, because the mean of its divisors is an integer number (4769905725).

Almost surely, 2^123211223000 is an apocalyptic number.

123211223000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123211223000 is an abundant number, since it is smaller than the sum of its proper divisors (182062743400).

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

123211223000 is a wasteful number, since it uses less digits than its factorization.

123211223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247757 (or 7247743 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123211223000 its reverse (322112321), we get a palindrome (123533335321).

It can be divided in two parts, 12321 and 1223000, that added together give a palindrome (1235321).

The spelling of 123211223000 in words is "one hundred twenty-three billion, two hundred eleven million, two hundred twenty-three thousand".