12121023320011 has 8 divisors (see below), whose sum is σ = 12133061319104. Its totient is φ = 12108985911360.

The previous prime is 12121023319973. The next prime is 12121023320017. The reversal of 12121023320011 is 11002332012121.

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 12121023320011 - 2²⁵ = 12120989765579 is a prime.

It is a super-3 number, since 3×12121023320011³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121023320017) 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, 49027870 + ... + 49274476.

It is an arithmetic number, because the mean of its divisors is an integer number (1516632664888).

Almost surely, 2^{12121023320011} is an apocalyptic number.

12121023320011 is a deficient number, since it is larger than the sum of its proper divisors (12037999093).

12121023320011 is a wasteful number, since it uses less digits than its factorization.

12121023320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295221.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12121023320011 its reverse (11002332012121), we get a palindrome (23123355332132).

The spelling of 12121023320011 in words is "twelve trillion, one hundred twenty-one billion, twenty-three million, three hundred twenty thousand, eleven".