12101020243 has 8 divisors (see below), whose sum is σ = 13033113408. Its totient is φ = 11169105024.

The previous prime is 12101020213. The next prime is 12101020247. The reversal of 12101020243 is 34202010121.

12101020243 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 12101020243 - 2²¹ = 12098923091 is a prime.

It is a super-3 number, since 3×12101020243³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101020247) 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, 119046 + ... + 195892.

It is an arithmetic number, because the mean of its divisors is an integer number (1629139176).

Almost surely, 2^12101020243 is an apocalyptic number.

12101020243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12101020243 is a deficient number, since it is larger than the sum of its proper divisors (932093165).

12101020243 is a wasteful number, since it uses less digits than its factorization.

12101020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88973.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12101020243 its reverse (34202010121), we get a palindrome (46303030364).

The spelling of 12101020243 in words is "twelve billion, one hundred one million, twenty thousand, two hundred forty-three".