101231210 has 16 divisors (see below), whose sum is σ = 182345256. Its totient is φ = 40463808.

The previous prime is 101231191. The next prime is 101231227. The reversal of 101231210 is 12132101.

It can be written as a sum of positive squares in 4 ways, for example, as 98227921 + 3003289 = 9911^2 + 1733^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101231191 and 101231200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16712 + ... + 21948.

Almost surely, 2^101231210 is an apocalyptic number.

101231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101231210 is a deficient number, since it is larger than the sum of its proper divisors (81114046).

101231210 is a wasteful number, since it uses less digits than its factorization.

101231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101231210 is about 10061.3721728202. The cubic root of 101231210 is about 466.0560420606.

Adding to 101231210 its reverse (12132101), we get a palindrome (113363311).

The spelling of 101231210 in words is "one hundred one million, two hundred thirty-one thousand, two hundred ten".