2012220102009 has 32 divisors (see below), whose sum is σ = 2896769393280. Its totient is φ = 1235107095552.

The previous prime is 2012220101999. The next prime is 2012220102019. The reversal of 2012220102009 is 9002010222102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2012220101999) and next prime (2012220102019).

It is not a de Polignac number, because 2012220102009 - 2⁹ = 2012220101497 is a prime.

It is a super-2 number, since 2×2012220102009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012220102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149300979 + ... + 149314455.

It is an arithmetic number, because the mean of its divisors is an integer number (90524043540).

Almost surely, 2^{2012220102009} is an apocalyptic number.

It is an amenable number.

2012220102009 is a deficient number, since it is larger than the sum of its proper divisors (884549291271).

2012220102009 is a wasteful number, since it uses less digits than its factorization.

2012220102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23049.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 2012220102009 in words is "two trillion, twelve billion, two hundred twenty million, one hundred two thousand, nine".