101231412 has 12 divisors (see below), whose sum is σ = 236206656. Its totient is φ = 33743800.

The previous prime is 101231407. The next prime is 101231423. The reversal of 101231412 is 214132101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101231391 and 101231400.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4217964 + ... + 4217987.

It is an arithmetic number, because the mean of its divisors is an integer number (19683888).

Almost surely, 2^101231412 is an apocalyptic number.

101231412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101231412 is an abundant number, since it is smaller than the sum of its proper divisors (134975244).

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

101231412 is a wasteful number, since it uses less digits than its factorization.

101231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435958 (or 8435956 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101231412 is about 10061.3822112074. The cubic root of 101231412 is about 466.0563520547.

Adding to 101231412 its reverse (214132101), we get a palindrome (315363513).

The spelling of 101231412 in words is "one hundred one million, two hundred thirty-one thousand, four hundred twelve".