12101930 has 8 divisors (see below), whose sum is σ = 21783492. Its totient is φ = 4840768.

The previous prime is 12101927. The next prime is 12102001. The reversal of 12101930 is 3910121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11992369 + 109561 = 3463^2 + 331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12101899 and 12101908.

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, 605087 + ... + 605106.

Almost surely, 2^12101930 is an apocalyptic number.

12101930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101930 is a deficient number, since it is larger than the sum of its proper divisors (9681562).

12101930 is a wasteful number, since it uses less digits than its factorization.

12101930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210200.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12101930 is about 3478.7828331185. The cubic root of 12101930 is about 229.5892479799.

It can be divided in two parts, 12101 and 930, that added together give a palindrome (13031).

The spelling of 12101930 in words is "twelve million, one hundred one thousand, nine hundred thirty".