12101263 has 4 divisors (see below), whose sum is σ = 12813120. Its totient is φ = 11389408.

The previous prime is 12101237. The next prime is 12101269. The reversal of 12101263 is 36210121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12101263 - 2¹³ = 12093071 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 (12101269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355903 + ... + 355936.

It is an arithmetic number, because the mean of its divisors is an integer number (3203280).

Almost surely, 2^12101263 is an apocalyptic number.

12101263 is a deficient number, since it is larger than the sum of its proper divisors (711857).

12101263 is an equidigital number, since it uses as much as digits as its factorization.

12101263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711856.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12101263 is about 3478.6869649338. The cubic root of 12101263 is about 229.5850299519.

Adding to 12101263 its reverse (36210121), we get a palindrome (48311384).

The spelling of 12101263 in words is "twelve million, one hundred one thousand, two hundred sixty-three".