12020220101211 has 32 divisors (see below), whose sum is σ = 18359001612288. Its totient is φ = 6852784770720.

The previous prime is 12020220101171. The next prime is 12020220101269. The reversal of 12020220101211 is 11210102202021.

It is not a de Polignac number, because 12020220101211 - 2⁶ = 12020220101147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020220101291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17782326 + ... + 18445908.

It is an arithmetic number, because the mean of its divisors is an integer number (573718800384).

Almost surely, 2^{12020220101211} is an apocalyptic number.

12020220101211 is a deficient number, since it is larger than the sum of its proper divisors (6338781511077).

12020220101211 is a wasteful number, since it uses less digits than its factorization.

12020220101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665591.

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

Adding to 12020220101211 its reverse (11210102202021), we get a palindrome (23230322303232).

The spelling of 12020220101211 in words is "twelve trillion, twenty billion, two hundred twenty million, one hundred one thousand, two hundred eleven".