12121203011 has 8 divisors (see below), whose sum is σ = 12249588000. Its totient is φ = 11992982400.

The previous prime is 12121203001. The next prime is 12121203023. The reversal of 12121203011 is 11030212121.

12121203011 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 not a de Polignac number, because 12121203011 - 2¹⁰ = 12121201987 is a prime.

It is a super-2 number, since 2×12121203011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121203001) 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, 110090 + ... + 190688.

It is an arithmetic number, because the mean of its divisors is an integer number (1531198500).

Almost surely, 2^12121203011 is an apocalyptic number.

12121203011 is a deficient number, since it is larger than the sum of its proper divisors (128384989).

12121203011 is a wasteful number, since it uses less digits than its factorization.

12121203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82189.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12121203011 its reverse (11030212121), we get a palindrome (23151415132).

The spelling of 12121203011 in words is "twelve billion, one hundred twenty-one million, two hundred three thousand, eleven".