123210211000 has 32 divisors (see below), whose sum is σ = 288311896080. Its totient is φ = 49284084000.

The previous prime is 123210210961. The next prime is 123210211021. The reversal of 123210211000 is 112012321.

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 7 ways as a sum of consecutive naturals, for example, 61604106 + ... + 61606105.

Almost surely, 2^123210211000 is an apocalyptic number.

123210211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123210211000 is an abundant number, since it is smaller than the sum of its proper divisors (165101685080).

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

123210211000 is a wasteful number, since it uses less digits than its factorization.

123210211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123210232 (or 123210218 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123210211000 its reverse (112012321), we get a palindrome (123322223321).

The spelling of 123210211000 in words is "one hundred twenty-three billion, two hundred ten million, two hundred eleven thousand".