2001120002212 has 12 divisors (see below), whose sum is σ = 3587373662796. Its totient is φ = 976156098560.

The previous prime is 2001120002179. The next prime is 2001120002213. The reversal of 2001120002212 is 2122000211002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1091473309696 + 909646692516 = 1044736^2 + 953754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001120002192 and 2001120002201.

It is not an unprimeable number, because it can be changed into a prime (2001120002213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100975453 + ... + 6100975780.

It is an arithmetic number, because the mean of its divisors is an integer number (298947805233).

Almost surely, 2^{2001120002212} is an apocalyptic number.

It is an amenable number.

2001120002212 is a deficient number, since it is larger than the sum of its proper divisors (1586253660584).

2001120002212 is a wasteful number, since it uses less digits than its factorization.

2001120002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201951278 (or 12201951276 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001120002212 its reverse (2122000211002), we get a palindrome (4123120213214).

The spelling of 2001120002212 in words is "two trillion, one billion, one hundred twenty million, two thousand, two hundred twelve".