12011022201 has 16 divisors (see below), whose sum is σ = 16424674560. Its totient is φ = 7802820480.

The previous prime is 12011022169. The next prime is 12011022209. The reversal of 12011022201 is 10222011021.

It is not a de Polignac number, because 12011022201 - 2⁵ = 12011022169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011022209) 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, 47680 + ... + 162158.

It is an arithmetic number, because the mean of its divisors is an integer number (1026542160).

Almost surely, 2^12011022201 is an apocalyptic number.

It is an amenable number.

12011022201 is a deficient number, since it is larger than the sum of its proper divisors (4413652359).

12011022201 is a wasteful number, since it uses less digits than its factorization.

12011022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115376.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12011022201 its reverse (10222011021), we get a palindrome (22233033222).

It can be divided in two parts, 120110 and 22201, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 12011022201 in words is "twelve billion, eleven million, twenty-two thousand, two hundred one".