12020010101121 has 32 divisors (see below), whose sum is σ = 18532245657600. Its totient is φ = 6848872807680.

The previous prime is 12020010101093. The next prime is 12020010101129. The reversal of 12020010101121 is 12110101002021.

It is not a de Polignac number, because 12020010101121 - 2¹⁰ = 12020010100097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020010101097 and 12020010101106.

It is not an unprimeable number, because it can be changed into a prime (12020010101129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11141701 + ... + 12172818.

It is an arithmetic number, because the mean of its divisors is an integer number (579132676800).

Almost surely, 2^{12020010101121} is an apocalyptic number.

12020010101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020010101121 is a deficient number, since it is larger than the sum of its proper divisors (6512235556479).

12020010101121 is a wasteful number, since it uses less digits than its factorization.

12020010101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315469.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12020010101121 its reverse (12110101002021), we get a palindrome (24130111103142).

The spelling of 12020010101121 in words is "twelve trillion, twenty billion, ten million, one hundred one thousand, one hundred twenty-one".