12101450 has 48 divisors (see below), whose sum is σ = 24909120. Its totient is φ = 4350720.

The previous prime is 12101443. The next prime is 12101459. The reversal of 12101450 is 5410121.

12101450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12101459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19241 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (518940).

Almost surely, 2^12101450 is an apocalyptic number.

12101450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101450 is an abundant number, since it is smaller than the sum of its proper divisors (12807670).

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

12101450 is a wasteful number, since it uses less digits than its factorization.

12101450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12101450 is about 3478.7138427873. The cubic root of 12101450 is about 229.5862125331.

Adding to 12101450 its reverse (5410121), we get a palindrome (17511571).

The spelling of 12101450 in words is "twelve million, one hundred one thousand, four hundred fifty".