12222011010001 has 16 divisors (see below), whose sum is σ = 13220609797584. Its totient is φ = 11231840231424.

The previous prime is 12222011009959. The next prime is 12222011010007. The reversal of 12222011010001 is 10001011022221.

It can be written as a sum of positive squares in 8 ways, for example, as 493577907601 + 11728433102400 = 702551^2 + 3424680^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222011010001 - 2²⁹ = 12221474139089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222011010007) 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, 2079265 + ... + 5363521.

It is an arithmetic number, because the mean of its divisors is an integer number (826288112349).

Almost surely, 2^{12222011010001} is an apocalyptic number.

It is an amenable number.

12222011010001 is a deficient number, since it is larger than the sum of its proper divisors (998598787583).

12222011010001 is a wasteful number, since it uses less digits than its factorization.

12222011010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285540.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12222011010001 its reverse (10001011022221), we get a palindrome (22223022032222).

The spelling of 12222011010001 in words is "twelve trillion, two hundred twenty-two billion, eleven million, ten thousand, one".