12290101 has 4 divisors (see below), whose sum is σ = 12317452. Its totient is φ = 12262752.

The previous prime is 12290071. The next prime is 12290123. The reversal of 12290101 is 10109221.

12290101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10109221 = 211 ⋅47911.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 1060900 = 3351^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 12290101 - 2¹³ = 12281909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12990 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (3079363).

Almost surely, 2^12290101 is an apocalyptic number.

It is an amenable number.

12290101 is a deficient number, since it is larger than the sum of its proper divisors (27351).

12290101 is an equidigital number, since it uses as much as digits as its factorization.

12290101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27350.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12290101 is about 3505.7240336341. The cubic root of 12290101 is about 230.7730822634.

Adding to 12290101 its reverse (10109221), we get a palindrome (22399322).

The spelling of 12290101 in words is "twelve million, two hundred ninety thousand, one hundred one".