12020220211011 has 16 divisors (see below), whose sum is σ = 16123942162944. Its totient is φ = 7964995224704.

The previous prime is 12020220211007. The next prime is 12020220211031. The reversal of 12020220211011 is 11011202202021.

It is a cyclic number.

It is not a de Polignac number, because 12020220211011 - 2² = 12020220211007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020220211031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7322635 + ... + 8812571.

It is an arithmetic number, because the mean of its divisors is an integer number (1007746385184).

Almost surely, 2^{12020220211011} is an apocalyptic number.

12020220211011 is a deficient number, since it is larger than the sum of its proper divisors (4103721951933).

12020220211011 is a wasteful number, since it uses less digits than its factorization.

12020220211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506210.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020220211011 its reverse (11011202202021), we get a palindrome (23031422413032).

The spelling of 12020220211011 in words is "twelve trillion, twenty billion, two hundred twenty million, two hundred eleven thousand, eleven".