12101203 has 4 divisors (see below), whose sum is σ = 12122968. Its totient is φ = 12079440.

The previous prime is 12101179. The next prime is 12101227. The reversal of 12101203 is 30210121.

12101203 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: 30210121 = 139 ⋅217339.

It is an interprime number because it is at equal distance from previous prime (12101179) and next prime (12101227).

It is a cyclic number.

It is not a de Polignac number, because 12101203 - 2⁵ = 12101171 is a prime.

It is a super-2 number, since 2×12101203² = 292878228094418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101203.

It is not an unprimeable number, because it can be changed into a prime (12101003) 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, 10026 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (3030742).

Almost surely, 2^12101203 is an apocalyptic number.

12101203 is a deficient number, since it is larger than the sum of its proper divisors (21765).

12101203 is an equidigital number, since it uses as much as digits as its factorization.

12101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21764.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12101203 is about 3478.6783409795. The cubic root of 12101203 is about 229.5846505115.

Adding to 12101203 its reverse (30210121), we get a palindrome (42311324).

The spelling of 12101203 in words is "twelve million, one hundred one thousand, two hundred three".