12001022012211 has 16 divisors (see below), whose sum is σ = 16103502122400. Its totient is φ = 7949717250048.

The previous prime is 12001022012209. The next prime is 12001022012251. The reversal of 12001022012211 is 11221022010021.

It is not a de Polignac number, because 12001022012211 - 2¹ = 12001022012209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001022012251) 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, 12748576 + ... + 13657533.

It is an arithmetic number, because the mean of its divisors is an integer number (1006468882650).

Almost surely, 2^{12001022012211} is an apocalyptic number.

12001022012211 is a deficient number, since it is larger than the sum of its proper divisors (4102480110189).

12001022012211 is a wasteful number, since it uses less digits than its factorization.

12001022012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26407078.

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

Adding to 12001022012211 its reverse (11221022010021), we get a palindrome (23222044022232).

The spelling of 12001022012211 in words is "twelve trillion, one billion, twenty-two million, twelve thousand, two hundred eleven".