2012221001001 has 16 divisors (see below), whose sum is σ = 2865008770560. Its totient is φ = 1253441333760.

The previous prime is 2012221000991. The next prime is 2012221001003. The reversal of 2012221001001 is 1001001222102.

It is not a de Polignac number, because 2012221001001 - 2¹⁰ = 2012220999977 is a prime.

It is a super-3 number, since 3×2012221001001³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012221001003) 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, 373045320 + ... + 373050713.

It is an arithmetic number, because the mean of its divisors is an integer number (179063048160).

Almost surely, 2^{2012221001001} is an apocalyptic number.

It is an amenable number.

2012221001001 is a deficient number, since it is larger than the sum of its proper divisors (852787769559).

2012221001001 is a wasteful number, since it uses less digits than its factorization.

2012221001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746096096.

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

Adding to 2012221001001 its reverse (1001001222102), we get a palindrome (3013222223103).

The spelling of 2012221001001 in words is "two trillion, twelve billion, two hundred twenty-one million, one thousand, one".