12120021200011 has 8 divisors (see below), whose sum is σ = 12416909078448. Its totient is φ = 11823194160000.

The previous prime is 12120021199997. The next prime is 12120021200039. The reversal of 12120021200011 is 11000212002121.

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 12120021200011 - 2⁷ = 12120021199883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120021199964 and 12120021200000.

It is not an unprimeable number, because it can be changed into a prime (12120021200041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14806165 + ... + 15603286.

It is an arithmetic number, because the mean of its divisors is an integer number (1552113634806).

Almost surely, 2^{12120021200011} is an apocalyptic number.

12120021200011 is a deficient number, since it is larger than the sum of its proper divisors (296887878437).

12120021200011 is an equidigital number, since it uses as much as digits as its factorization.

12120021200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30419213.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120021200011 its reverse (11000212002121), we get a palindrome (23120233202132).

The spelling of 12120021200011 in words is "twelve trillion, one hundred twenty billion, twenty-one million, two hundred thousand, eleven".