210240123000 has 64 divisors (see below), whose sum is σ = 655949193120. Its totient is φ = 56064032000.

The previous prime is 210240122993. The next prime is 210240123031. The reversal of 210240123000 is 321042012.

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

It is a congruent number.

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, 35037021 + ... + 35043020.

Almost surely, 2^210240123000 is an apocalyptic number.

210240123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210240123000 is an abundant number, since it is smaller than the sum of its proper divisors (445709070120).

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

210240123000 is a wasteful number, since it uses less digits than its factorization.

210240123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70080065 (or 70080051 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 210240123000 its reverse (321042012), we get a palindrome (210561165012).

The spelling of 210240123000 in words is "two hundred ten billion, two hundred forty million, one hundred twenty-three thousand".