12020221002011 has 4 divisors (see below), whose sum is σ = 12407970066624. Its totient is φ = 11632471937400.

The previous prime is 12020221001981. The next prime is 12020221002037. The reversal of 12020221002011 is 11020012202021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020221002011 - 2⁶ = 12020221001947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020221002311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193874532260 + ... + 193874532321.

It is an arithmetic number, because the mean of its divisors is an integer number (3101992516656).

Almost surely, 2^{12020221002011} is an apocalyptic number.

12020221002011 is a deficient number, since it is larger than the sum of its proper divisors (387749064613).

12020221002011 is an equidigital number, since it uses as much as digits as its factorization.

12020221002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387749064612.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020221002011 its reverse (11020012202021), we get a palindrome (23040233204032).

The spelling of 12020221002011 in words is "twelve trillion, twenty billion, two hundred twenty-one million, two thousand, eleven".