12001120022011 has 8 divisors (see below), whose sum is σ = 12069844351200. Its totient is φ = 11932479865152.

The previous prime is 12001120021901. The next prime is 12001120022039. The reversal of 12001120022011 is 11022002110021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001120022011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001120021982 and 12001120022000.

It is not an unprimeable number, because it can be changed into a prime (12001120092011) 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, 20757100 + ... + 21327433.

It is an arithmetic number, because the mean of its divisors is an integer number (1508730543900).

Almost surely, 2^{12001120022011} is an apocalyptic number.

12001120022011 is a deficient number, since it is larger than the sum of its proper divisors (68724329189).

12001120022011 is a wasteful number, since it uses less digits than its factorization.

12001120022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42086165.

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

Adding to 12001120022011 its reverse (11022002110021), we get a palindrome (23023122132032).

The spelling of 12001120022011 in words is "twelve trillion, one billion, one hundred twenty million, twenty-two thousand, eleven".