101231200 has 72 divisors (see below), whose sum is σ = 282450672. Its totient is φ = 34705920.

The previous prime is 101231191. The next prime is 101231227. The reversal of 101231200 is 2132101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3439 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (3922926).

Almost surely, 2^101231200 is an apocalyptic number.

101231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101231200 is an abundant number, since it is smaller than the sum of its proper divisors (181219472).

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

101231200 is a wasteful number, since it uses less digits than its factorization.

101231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104 (or 18091 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101231200 is about 10061.3716758700. The cubic root of 101231200 is about 466.0560267143.

Adding to 101231200 its reverse (2132101), we get a palindrome (103363301).

Subtracting from 101231200 its reverse (2132101), we obtain a palindrome (99099099).

The spelling of 101231200 in words is "one hundred one million, two hundred thirty-one thousand, two hundred".