12210123000 has 128 divisors (see below), whose sum is σ = 38133426240. Its totient is φ = 3252800000.

The previous prime is 12210122849. The next prime is 12210123019. The reversal of 12210123000 is 32101221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5701930 + ... + 5704070.

Almost surely, 2^12210123000 is an apocalyptic number.

12210123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19066713120).

12210123000 is an abundant number, since it is smaller than the sum of its proper divisors (25923303240).

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

12210123000 is a wasteful number, since it uses less digits than its factorization.

12210123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12210123000 its reverse (32101221), we get a palindrome (12242224221).

The spelling of 12210123000 in words is "twelve billion, two hundred ten million, one hundred twenty-three thousand".