12020001122211 has 16 divisors (see below), whose sum is σ = 16203119347584. Its totient is φ = 7925412193664.

The previous prime is 12020001122153. The next prime is 12020001122249. The reversal of 12020001122211 is 11222110002021.

It is a cyclic number.

It is not a de Polignac number, because 12020001122211 - 2¹⁷ = 12020000991139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020001322211) 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, 37804461 + ... + 38121086.

It is an arithmetic number, because the mean of its divisors is an integer number (1012694959224).

Almost surely, 2^{12020001122211} is an apocalyptic number.

12020001122211 is a deficient number, since it is larger than the sum of its proper divisors (4183118225373).

12020001122211 is a wasteful number, since it uses less digits than its factorization.

12020001122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75926130.

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

Adding to 12020001122211 its reverse (11222110002021), we get a palindrome (23242111124232).

The spelling of 12020001122211 in words is "twelve trillion, twenty billion, one million, one hundred twenty-two thousand, two hundred eleven".