231012130200 has 192 divisors, whose sum is σ = 757271531520. Its totient is φ = 58161792000.

The previous prime is 231012130189. The next prime is 231012130201. The reversal of 231012130200 is 2031210132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231012130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012130201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611137 + ... + 914063.

It is an arithmetic number, because the mean of its divisors is an integer number (3944122560).

Almost surely, 2^231012130200 is an apocalyptic number.

231012130200 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 231012130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378635765760).

231012130200 is an abundant number, since it is smaller than the sum of its proper divisors (526259401320).

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

231012130200 is a wasteful number, since it uses less digits than its factorization.

231012130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303018 (or 303009 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231012130200 its reverse (2031210132), we get a palindrome (233043340332).

The spelling of 231012130200 in words is "two hundred thirty-one billion, twelve million, one hundred thirty thousand, two hundred".