12121021202011 has 8 divisors (see below), whose sum is σ = 12280391574048. Its totient is φ = 11962422600000.

The previous prime is 12121021201997. The next prime is 12121021202039. The reversal of 12121021202011 is 11020212012121.

12121021202011 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 12121021202011 - 2⁵ = 12121021201979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121021232011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192910890 + ... + 192973711.

It is an arithmetic number, because the mean of its divisors is an integer number (1535048946756).

Almost surely, 2^{12121021202011} is an apocalyptic number.

12121021202011 is a deficient number, since it is larger than the sum of its proper divisors (159370372037).

12121021202011 is a wasteful number, since it uses less digits than its factorization.

12121021202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385885013.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12121021202011 its reverse (11020212012121), we get a palindrome (23141233214132).

The spelling of 12121021202011 in words is "twelve trillion, one hundred twenty-one billion, twenty-one million, two hundred two thousand, eleven".