12101020203 has 8 divisors (see below), whose sum is σ = 16172130816. Its totient is φ = 8048628200.

The previous prime is 12101020157. The next prime is 12101020213. The reversal of 12101020203 is 30202010121.

12101020203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12101020203 - 2⁹ = 12101019691 is a prime.

It is a super-2 number, since 2×12101020203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12101020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678143 + ... + 4680728.

It is an arithmetic number, because the mean of its divisors is an integer number (2021516352).

Almost surely, 2^12101020203 is an apocalyptic number.

12101020203 is a deficient number, since it is larger than the sum of its proper divisors (4071110613).

12101020203 is an equidigital number, since it uses as much as digits as its factorization.

12101020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359305.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12101020203 its reverse (30202010121), we get a palindrome (42303030324).

The spelling of 12101020203 in words is "twelve billion, one hundred one million, twenty thousand, two hundred three".