12020130505011 has 4 divisors (see below), whose sum is σ = 16026840673352. Its totient is φ = 8013420336672.

The previous prime is 12020130505001. The next prime is 12020130505069. The reversal of 12020130505011 is 11050503102021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12020130505011 - 2⁵ = 12020130504979 is a prime.

It is a super-2 number, since 2×12020130505011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020130505001) 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, 2003355084166 + ... + 2003355084171.

It is an arithmetic number, because the mean of its divisors is an integer number (4006710168338).

Almost surely, 2^{12020130505011} is an apocalyptic number.

12020130505011 is a deficient number, since it is larger than the sum of its proper divisors (4006710168341).

12020130505011 is an equidigital number, since it uses as much as digits as its factorization.

12020130505011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006710168340.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 12020130505011 its reverse (11050503102021), we get a palindrome (23070633607032).

The spelling of 12020130505011 in words is "twelve trillion, twenty billion, one hundred thirty million, five hundred five thousand, eleven".