210231142000 has 160 divisors (see below), whose sum is σ = 562366291968. Its totient is φ = 75370400000.

The previous prime is 210231141997. The next prime is 210231142003. The reversal of 210231142000 is 241132012.

It is an interprime number because it is at equal distance from previous prime (210231141997) and next prime (210231142003).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210231142003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494705 + ... + 1629295.

Almost surely, 2^210231142000 is an apocalyptic number.

210231142000 is a gapful number since it is divisible by the number (20) 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 210231142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281183145984).

210231142000 is an abundant number, since it is smaller than the sum of its proper divisors (352135149968).

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

210231142000 is a wasteful number, since it uses less digits than its factorization.

210231142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134696 (or 134680 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210231142000 its reverse (241132012), we get a palindrome (210472274012).

The spelling of 210231142000 in words is "two hundred ten billion, two hundred thirty-one million, one hundred forty-two thousand".